smart

IPA/smɑːt/
KK[smˈɑrt]IPA/smɑːrt/

smart — adjective

  • smartpositive
  • smartercomparative
  • smartestsuperlative

1. used to describe a person who looks neat, well-groomed, and dressed in a fashion

1.adjectiveB1
Definition

used to describe a person who looks neat, well-groomed, and dressed in a fashionable or formal way — like wearing a pressed suit and polished shoes for a business meeting.

Example

Omar put on a smart grey suit for the job interview.

collocation: smart suit / smart outfit

The hotel staff all wear smart navy uniforms.

Common collocations
  • smart suit
  • smart uniform
  • smart dress
  • smart outfit
  • look smart
  • feel smart
Synonyms
  • neat

    focuses on tidiness rather than style

  • stylish

    emphasises fashionability more than neatness

  • well-dressed

    more literal, less idiomatic

Antonyms
  • scruffy

    untidy or shabby in appearance

Usage Note

Common in British English for well-dressed appearance; American English often prefers 'sharp' or 'dressed up'.

Common Mistakes

He was very smart dressed.
He was very smartly dressed.
'smart' is an adjective; the adverb 'smartly' is needed before a past participle.

2. describes a place, restaurant, club, or event that attracts wealthy, fashion-con

2.adjectiveB2
Definition

describes a place, restaurant, club, or event that attracts wealthy, fashion-conscious, or sophisticated people.

Example

They booked a table at one of the smartest restaurants in London.

superlative: the smartest + place noun

The gallery opening was a very smart affair with champagne and celebrities.

Common collocations
  • smart restaurant
  • smart hotel
  • smart area
  • smart party
Synonyms
  • fashionable

    broader, can describe people or places; less class-focused

  • exclusive

    emphasises restricted access rather than style

  • posh

    informal British term for upper-class places

Usage Note

Almost always used before a noun. Describes the social standing of the venue, not its physical tidiness.

3. having a quick, active mind; able to learn new things easily and solve problems

3.adjectiveA2
Definition

having a quick, active mind; able to learn new things easily and solve problems well.

Example

Anjali is one of the smartest students in her physics class.

superlative: one of the smartest

It was a smart move to save money before the prices went up.

collocation: smart move

Common collocations
  • smart person
  • smart idea
  • smart move
  • smart question
  • smart decision
Synonyms
  • clever

    similar but can imply tricky or cunning; more British

  • intelligent

    more formal, suggests higher intellectual capacity

  • bright

    more informal, often used for children

Antonyms
  • stupid

    the direct opposite in ability to learn or reason

  • dull

    less common, suggests slowness of mind

Usage Note

Can describe either a person's general intelligence or a specific decision/action. 'Smart' in this sense is less formal than 'intelligent' and more natural in everyday speech.

Common Mistakes

She is a smart girl who studies.
She is a smart girl who solves problems quickly.
show what smart means instead of leaving it vague.

4. done or happening with brisk energy and noticeable force, often describing a phy

4.adjectiveB2
Definition

done or happening with brisk energy and noticeable force, often describing a physical action like a blow or a movement.

Example

He gave the ball a smart tap with his racquet.

collocation: smart tap / smart blow

The horse set off at a smart trot across the field.

Common collocations
  • smart blow
  • smart pace
  • smart trot
  • smart rap
Synonyms
  • brisk

    suggests energetic speed without forcefulness

  • sharp

    implies suddenness and precision in addition to force

Antonyms
  • slow

    the opposite in pace

Usage Note

Typically modifies nouns describing physical actions (blow, rap, pace, trot). Not used for emotional or mental speed.

5. describes a machine, device, or weapon that contains a computer chip or software

5.adjectiveB1
Definition

describes a machine, device, or weapon that contains a computer chip or software so it can perform tasks automatically or respond to changing conditions.

Example

Indra bought a smart thermostat that adjusts the temperature when nobody is home.

example of autonomous function

Many new cars come with smart sensors that help you park.

Common collocations
  • smartphone
  • smartwatch
  • smart TV
  • smart home
  • smart device
  • smart technology
Synonyms
  • intelligent

    more formal; used in technical writing ('intelligent system')

  • automated

    focuses on lack of human control, not decision-making ability

Antonyms
  • dumb

    informal; describes a device without computer control ('dumb phone')

Usage Note

Extremely productive in compound nouns: smartphone, smartwatch, smart TV, smart home, smart grid. The device's 'intelligence' comes from its programming, not its own thinking.

6. used to describe a motorway or major road fitted with computer-controlled system

6.adjectiveC1
Definition

used to describe a motorway or major road fitted with computer-controlled systems that monitor traffic flow, adjust speed limits, and display warnings to drivers automatically.

Example

The new smart motorway uses cameras to detect congestion and lower the speed limit.

pattern: smart motorway + uses [technology] to [function]

Drivers were confused by the signs on the smart highway near Manchester.

Common collocations
  • smart motorway
  • smart highway
  • smart road

Usage Note

Primarily used in British English as 'smart motorway'. The term is a specialised extension of the SMART DEVICE sense.

7. tending to say things that are funny but disrespectful, often in a way that show

7.adjectiveB2
Definition

tending to say things that are funny but disrespectful, often in a way that shows a lack of proper respect toward someone in authority.

Example

The student gave a smart answer and the teacher sent him to the office.

collocation: smart answer / smart remark

Alessia regretted her smart comment as soon as she saw her grandmother's hurt face.

emotional consequence of a smart remark

Common collocations
  • smart answer
  • smart remark
  • smart mouth
  • get smart with
Synonyms
  • cheeky

    British; less harsh, can be playful

  • sassy

    American; can be approving in some contexts

  • impertinent

    formal and strongly disapproving

Antonyms

Usage Note

Often used in the fixed phrase 'get smart with someone', meaning to speak disrespectfully. Strongly disapproving.

Common Mistakes

He is always smarting to the teacher.
He is always being smart with the teacher.
'smart' as a verb (meaning hurt) is different; the adjective sense uses 'be smart with someone'.

8. producing a sudden, biting physical feeling, like the sting that comes when an o

8.adjectiveC1
Definition

producing a sudden, biting physical feeling, like the sting that comes when an open wound meets antiseptic.

Example

He felt a smart sting on his leg where the nettle had brushed against it.

physical stinging sensation

The soap stung the smart cut on her finger.

Common collocations
  • smart sting
  • smart pain
  • smart cut
Synonyms
  • stinging

    directly describes the sensation; more common than 'smart'

  • sharp

    broader; describes any acute pain, not necessarily stinging

Usage Note

Less common in modern English; the verb form is used more frequently than this adjective sense.

smart — adverb

smart — noun

smart — verb