firm
firm — adjective
- firmpositive
- firmercomparative
- firmestsuperlative
1. having a surface that gives only a little when you press it, without being as ha
having a surface that gives only a little when you press it, without being as hard as metal, stone, or wood
The mattress at the hotel was firm enough to support Christopher's bad back.
collocation: firm mattress / firm pillow
Yuki pressed the avocado gently and found it still too firm to eat.
Builders need firm ground before they can lay a concrete foundation.
The cheese was firm on the outside but soft and creamy in the middle.
Folake prefers a firm pillow that keeps her neck straight while she sleeps.
- firm mattress
- firm ground
- firm pillow
- firm flesh
- firm cheese
Grammar Patterns
firm + noun
be + firm
Usage Note
Often describes natural or manufactured materials that hold their shape under pressure — fruit, soil, cheese, foam, or building surfaces.
Common Mistakes
2. held in place so securely that it does not move, wobble, or come loose
held in place so securely that it does not move, wobble, or come loose
Make sure the ladder is firm against the wall before you climb up.
pattern: firm against/in/on + [surface]
The shelf did not feel firm, so Noa added another metal bracket.
After the typhoon, Hoa checked that every roof tile was still firm.
Tent pegs must be firm in the ground or the wind will pull them out.
Rachel held the rope firm while Ziad climbed down the steep cliff.
- firm against the wall
- firm in the ground
- firm on the surface
Grammar Patterns
firm + against/in/on + noun
be + firm
Usage Note
Common with prepositions indicating the surface or location something is fixed to (against the wall, in the ground, on the frame). The object is typically something that could come loose: a fixture, a fastener, or a support.
Common Mistakes
3. refusing to change a belief, decision, or position despite pressure or persuasio
refusing to change a belief, decision, or position despite pressure or persuasion from others
Élise remained firm in her decision to study medicine despite the high cost of tuition.
pattern: firm + in/about + [belief/decision]
Brooke is firm in her belief that regular exercise improves both body and mind.
The local government took a firm stance against tax evasion and fraud.
Ada was firm with her children about limiting screen time to one hour a day.
His firm opposition to the new policy surprised everyone at the board meeting.
- firm in
- firm about
- firm with
- firm belief
- firm stance
- firm opposition
- firm decision
Grammar Patterns
firm + in/about + noun/gerund
firm + with + noun
remain/stay + firm
Usage Note
Distinguish from sense 5 (CERTAIN): this sense describes a person's refusal to change their position; sense 5 describes a fact or arrangement that is reliably established. You can be firm in a belief that turns out to be wrong; a firm fact cannot be wrong.
Common Mistakes
4. applied with steady physical strength and control, especially when holding, grip
applied with steady physical strength and control, especially when holding, gripping, or pressing something
The elderly man still had a firm grip on the stair railing as he walked.
collocation: firm grip / firm handshake / firm hold
Devika gave Antonia a firm handshake before walking into the interview room.
A firm hold on the handlebar is essential when cycling on rough mountain roads.
The doctor's fingers were firm and steady as she examined the swollen ankle.
Ziad kept a firm hold of his suitcase as the crowd pushed past him.
- firm grip
- firm handshake
- firm hold
- firm voice
- firm step
- firm touch
Grammar Patterns
firm + noun (grip/handshake/hold)
be + firm
Usage Note
Commonly describes a physical grip, handshake, or touch, but also extends to a person's voice or step when these convey steadiness. The key difference from sense 1 (FIRM TEXTURE) is that this sense focuses on the action or application of strength rather than the object's own quality.
5. reliably fixed and not subject to future change, especially in a business or pla
reliably fixed and not subject to future change, especially in a business or planning context — for example, a definite date, a confirmed offer, or solid evidence
The company received a firm offer of two million dollars for the office building.
collocation: firm offer / firm date / firm evidence
Noa had no firm evidence that anyone had broken into the house that night.
We need a firm date for the wedding before we can book the venue.
There is a firm agreement between the two countries to reduce industrial emissions.
Christopher set a firm deadline of Friday for all team members to submit their reports.
- firm offer
- firm date
- firm evidence
- firm deadline
- firm agreement
- firm commitment
- tentative
not yet final; could still change
- provisional
temporary and subject to confirmation
Grammar Patterns
firm + noun (offer/date/evidence/deadline/agreement)
Usage Note
Used with nouns like 'evidence,' 'date,' 'offer,' 'deadline,' and 'agreement' — things that are established and will not be altered. In business contexts, a 'firm offer' is legally binding once accepted. Do not use this sense for people; it describes arrangements and facts.
Common Mistakes
6. showing authority and control in the way you speak or act, making others underst
showing authority and control in the way you speak or act, making others understand that you will not be persuaded or pushed around
The teacher used a firm voice to stop the argument between the two students.
collocation: firm voice / firm tone / firm approach
Folake gave a firm reply when the salesman tried to pressure her into buying.
A firm but fair approach to discipline helped the class behave much better.
Brooke was firm yet polite when she told her team they had to work Saturday.
The manager's firm tone made it clear that lateness would not be tolerated.
- firm voice
- firm tone
- firm approach
- firm but fair
- firm reply
- firm with
Grammar Patterns
firm + noun (voice/tone/approach/response)
be + firm + with + noun
Usage Note
Often paired with 'but fair' or 'but polite' to soften the sense, since being firm in this sense can sound harsh if used alone. The collocation 'firm but fair' is a fixed expression in management and parenting contexts.
Common Mistakes
firm — adverb
1. in a manner that shows steady pressure, strong control, or resolute determinatio
in a manner that shows steady pressure, strong control, or resolute determination — either physically, verbally, or in terms of commitment
The union negotiator held firm to her demands throughout the three-hour meeting.
pattern: stand firm / hold firm / remain firmly
Rachel stood firm on her principles even when everyone in the room disagreed.
Ziad pushed firmly against the wooden door until it finally swung open.
I will not change my mind, said Élise firmly, looking straight at the committee.
The city government remains firmly committed to reducing carbon emissions by 2030.
- hold firm
- stand firm
- push firmly
- say firmly
- firmly committed
- firmly believe
- firmly in place
- resolutely
more formal; stresses determination in the face of opposition
- steadily
emphasises even, controlled application rather than forcefulness
- securely
focuses on the physical aspect — safely attached or held
Grammar Patterns
verb + firmly
firmly + adjective/past participle
Usage Note
The adverb can modify physical actions (push firmly), speech acts (say firmly), or states of commitment (remain firmly committed to). The fixed expression 'stand firm' and 'hold firm' function as phrasal verbs and do not take an -ly form.
Common Mistakes
firm — noun
- firmsingular
- firmsplural
1. a business that offers a professional service, typically staffed by qualified sp
a business that offers a professional service, typically staffed by qualified specialists such as lawyers, accountants, architects, or consultants
Yuki got a job at a top law firm in Taipei after graduating from university.
collocation: law firm / accounting firm / consulting firm
The accounting firm audited the company's financial records every single year.
Noa's father runs a small architectural firm with only eight employees.
The consulting firm advised the hospital on how to cut operating costs.
Christopher left the large corporate law firm to start a small practice of his own.
- law firm
- accounting firm
- consulting firm
- architectural firm
- top firm
- small firm
Grammar Patterns
the + [adj] + firm
firm + of + [profession]
Usage Note
In everyday English, a 'firm' is almost always a professional-services business. The noun is most commonly modified by the profession: law firm, accounting firm, consulting firm, architectural firm. For a general product-making or retail business, use 'company' or 'business' instead.
Common Mistakes
2. any business or commercial organisation, especially one that is not a giant inte
any business or commercial organisation, especially one that is not a giant international corporation
The family-owned firm has been making high-quality furniture for over sixty years.
collocation: family firm / local firm / small firm
Ada started her own firm selling handmade soaps and candles at weekend markets.
The firm's profits increased by twenty percent last quarter, which surprised investors.
Devika works for a small engineering firm that builds bridges and road tunnels.
Several local firms have offered to sponsor the community festival this summer.
- family firm
- local firm
- small firm
- firm profits
- firm owner
- rival firm
- firm employee
- company
the most general term for any business organisation; slightly more formal
- business
emphasises commercial activity rather than the legal structure
- enterprise
more formal; often used for new or innovative businesses
Grammar Patterns
[adj] + firm
family + firm
firm + verb
Usage Note
Broader than sense 1 (PROFESSIONAL COMPANY): this covers any business from a bakery to a manufacturer. In British English it is very common; American English prefers 'company' in most contexts, reserving 'firm' for professional services.
Common Mistakes
3. an informal nickname for the British Royal Family, likening it to a business tha
an informal nickname for the British Royal Family, likening it to a business that manages its own brand and public image
British tabloids often refer to the Royal Family simply as the Firm.
fixed expression: the Firm (capital F, British media)
The documentary explored how the Firm manages its public image across the globe.
Members of the Firm attend hundreds of official charity events each year.
Critics of the monarchy argue that the Firm costs taxpayers too much money.
The Queen famously described the monarchy as the Firm in the nineteen-nineties.
- the Firm
- royal Firm
- the Firm's image
- running the Firm
Grammar Patterns
the Firm
Usage Note
Always capitalised as 'the Firm' and used with the definite article. First popularised by King George VI and later famously used by Queen Elizabeth II. Common in British journalism but rarely used in American English.
4. an organised group of fanatical football supporters who deliberately seek out fi
an organised group of fanatical football supporters who deliberately seek out fights with rival teams' fans
A group of football firm members were arrested by police after the match.
British English: football firm = organised hooligan gang
The police keep a close watch on known football firms operating in the city.
Documentaries have been made about the history of football firms in England.
Ziad's cousin was involved with a football firm during his younger days.
The club banned anyone linked to a football firm from attending home games.
- football firm
- rival firm
- firm members
- known firm
- firm violence
Grammar Patterns
football + firm
firm + verb (usually in plural)
Usage Note
A specifically British usage, most common in media coverage of football hooliganism. The word can be used neutrally or descriptively by journalists or self-referentially by members of such groups. It is not used for casual groups of friends going to a match together.
Common Mistakes
firm — verb
- firmpresent simple I / you / we / they
- firms3rd person singular
- firming-ing form
- firmedpast simple
1. to press or shape something so that it becomes compact, solid, or tight; or to b
to press or shape something so that it becomes compact, solid, or tight; or to become compact, solid, or tight naturally through drying or settling
The gardener firmed the soil around the young tree with both hands.
transitive: firm + [object] / intransitive: firm up
You need to firm the concrete before it begins to set and harden.
Hoa firmed the dough into a smooth ball before placing it in the bowl.
The ground has firmed up after three days of strong sunshine without rain.
Builders use heavy rollers to firm the earth before laying the foundation.
- firm the soil
- firm the dough
- firm up
- firm the ground
- firm the concrete
Grammar Patterns
firm + noun
firm + up
firm + up + noun
noun + firms
Usage Note
The transitive form (firm the soil) is less common in everyday speech; the phrasal 'firm up' is more frequent in both transitive (firm up the dough) and intransitive (the jelly has firmed up) uses. 'Firm' as a verb is much rarer than the adjective; learners will encounter it more often in gardening, cooking, and construction contexts.
Common Mistakes
2. to reach a steady level after a period of change or decline, especially in price
to reach a steady level after a period of change or decline, especially in prices, markets, or economic indicators
Oil prices have firmed after months of steady decline in the global market.
financial context: prices/shares/market firm (up)
The company's shares firmed on the Tokyo stock exchange this morning.
We should wait for the market to firm before selling our stock portfolio.
The central bank's decision helped the local currency firm against the dollar.
Demand for housing has firmed in the city center this quarter, brokers report.
- prices firm
- market firms
- shares firm
- currency firms
- demand firms
- firm up
- stabilize
more general and formal; not limited to financial contexts
- strengthen
implies an upward movement, while 'firm' suggests holding steady at a level
- recover
specifically means returning to a previous higher level after a drop
Grammar Patterns
noun + firms
noun + firms + up
firm + up + noun
Usage Note
Almost exclusively used in financial journalism and market reporting. The intransitive form (prices firmed) is most common; the transitive form (the bank firmed interest rates) is rare. 'Firm up' can replace 'firm' in both senses but is slightly less formal.
Word family
- firmlyadverbB2
- firmnessnounB2
- confirmverbB1
- confirmationnounB2
- infirmadjectiveC1
Synonym discussion
Sense: adjective/1
All five words describe objects that resist pressure, but they differ in degree and context. Firm means an object gives slightly but keeps its shape — a ripe avocado or a good mattress. Hard means the surface gives almost no ground at all, like metal, stone, or frozen ground; calling a mattress 'hard' is a complaint, not a preference. Solid emphasises that the object is dense throughout with no hollow spots: a solid brick wall versus a hollow one. Stiff describes something that is difficult to bend — new cardboard, a paintbrush with dried glue, or a starched collar. Rigid is the strongest term, suggesting something that cannot bend at all without breaking, often used for structural materials (rigid metal frame) or figuratively for inflexible rules. In everyday conversation, firm is the mildest and most positive — you would describe a good handshake or a comfortable mattress as firm, not hard.
Common collocations
Etymology
The word 'firm' entered English through Old French 'ferme' (meaning strong, steady, or fixed), which came from Latin 'firmus' (strong, stable, durable). The Latin root is related to 'firmare' (to make firm) and later gave English the word 'confirm' (to make firmer through agreement). The sense of a business organisation ('a firm') developed in the 1700s from the idea of a partnership with a 'firm' (i.e., legally binding) signature. The verb form arrived in the 1500s, and the football-hooligan meaning is a much later 20th-century British development.