dirty

/ˈdɜːti/ (bre, ipa) · /ˈdɜːrti/ (ame, ipa) · /ˈdər-tē/ (ame, mw) · /ˈdɜː.ti/ (bre, ipa) · /ˈdɝː.t̬i/ (ame, ipa)

dirty — adjective

  • dirtypositive
  • dirtiercomparative
  • dirtiestsuperlative

1. having a surface covered with unwanted matter like earth, soot, or leftover food

1.形容詞A1
釋義

having a surface covered with unwanted matter like earth, soot, or leftover food; also describes environments where the air or water contains harmful particles or bacteria.

例句

Gabriel's white shirt got dirty when he fell off his bicycle on the muddy path.

collocation: get dirty + cause

Ada had to scrub the kitchen floor twice because it was so dirty with grease and crumbs.

dirty with [substance]

同義詞
  • filthy

    much stronger; suggests disgust and a heavy layer of dirt

  • soiled

    more formal; often used for fabric or clothing that is slightly dirty from use

  • grimy

    covered with a thin layer of ingrained dirt, often on surfaces or skin

反義詞
  • clean

    free from dirt or marks

  • spotless

    completely clean, with no marks at all

用法筆記

Common with the preposition 'with' to name the substance causing the dirt. Can describe both objects (clothes, floors) and natural elements (air, water).

常見錯誤

The floor is dirt.
The floor is dirty.
💡'dirt' is a noun (uncountable); 'dirty' is the adjective form.

2. involving behaviour that is morally wrong, breaks accepted rules, or treats othe

2.形容詞B1
釋義

involving behaviour that is morally wrong, breaks accepted rules, or treats others badly in order to gain an advantage.

例句

Camille received a red card for a dirty tackle that hurt her opponent on purpose.

dirty tackle (sports)

Adisa discovered that his business partner had been making dirty deals behind his back.

dirty deals (business)

同義詞
  • unfair

    broader, less emotional; simply not following the rules or treating people equally

  • dishonest

    focuses on lying or cheating rather than general unfairness

  • crooked

    informal; describes a person who is involved in illegal or corrupt activities

反義詞
  • fair

    treating people equally and following the rules

  • honest

    truthful and morally upright

用法筆記

Common in sports (dirty tackle, dirty play), business (dirty deal), and politics (dirty campaign). Frequently used in fixed noun phrases like 'dirty trick' and 'dirty work'.

常見錯誤

He played a dirt trick on me.
He played a dirty trick on me.
💡'dirt' is a noun; the adjective form 'dirty' is needed.

3. describing sexual content that is intended to cause shock, embarrassment, or off

3.形容詞B2
釋義

describing sexual content that is intended to cause shock, embarrassment, or offence among those who hear or see it, especially in speech, humour, or pictures.

例句

The manager was fired for telling dirty jokes that made several colleagues feel uncomfortable.

dirty jokes

Anjali reported her co-worker to HR for sending dirty messages on the office chat system.

同義詞
  • obscene

    stronger; describes content that is morally shocking and often illegal

  • vulgar

    focuses on being rude or crude, not specifically about sex

  • indecent

    more formal; describes behaviour or material that violates accepted standards of modesty

反義詞
  • decent

    respecting accepted standards of modesty and propriety

  • clean

    free from offensive sexual content (e.g. a clean joke)

用法筆記

Strongly negative register. Avoid using in formal, professional, or polite company. Often appears in complaints, ratings warnings, or descriptions of banned content.

4. describes food that is very tasty but contains large amounts of fat, salt, or su

4.形容詞B1
釋義

describes food that is very tasty but contains large amounts of fat, salt, or sugar, making it an unhealthy choice — often associated with extra toppings like cheese, sauce, or bacon.

例句

After exams Christopher treated himself to a dirty burger piled high with melted cheese and bacon.

dirty burger (collocation)

Nila knew the pizza was dirty with extra pepperoni and cheese, but she ordered it anyway.

dirty with [topping]

同義詞
  • indulgent

    more neutral; focuses on treating oneself without the guilt implied by 'dirty'

  • decadent

    more formal; suggests rich, luxurious, and excessive in a pleasing way

  • sinful

    playful slang; implies that the food is so good it feels like wrongdoing

反義詞
  • healthy

    good for one's body; containing nutritious ingredients

  • clean

    refers to eating unprocessed, whole foods (the opposite of dirty eating)

用法筆記

Informal food culture term common in blog posts, menus, and casual reviews. Often pairs with specific dish names (dirty burger, dirty fries, dirty pizza). Never used in formal nutritional or medical contexts.

5. describes a colour that has lost its original brightness or clarity, often appea

5.形容詞B1
釋義

describes a colour that has lost its original brightness or clarity, often appearing faded, cloudy, or mixed with grey or brown.

例句

The old living-room curtains had faded to a dirty grey that did not match the walls anymore.

dirty grey (colour compound)

Adisa painted over the dirty yellow walls because the colour made the kitchen feel dark and cramped.

同義詞
  • dull

    broader; can describe any colour lacking brightness or intensity

  • faded

    specifically describes a colour that has lost its strength over time from light or washing

  • dingy

    describes a colour that looks dull and also slightly unclean

反義詞
  • bright

    strong, vivid, and easy to see

  • vivid

    extremely bright and clear in colour

用法筆記

Almost always combined with a colour name (dirty white, dirty grey, dirty yellow) to describe a shade that contains a hint of another colour or lacks purity. Not used alone.

dirty — adverb

dirty — verb