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Definitions

dirty

[dur-tee] / ˈdɜr ti /
ADJECTIVE
soiled, unclean
Synonyms
STRONGEST
contaminated crummy disheveled dusty filthy greasy grimy messy muddy murky nasty polluted sloppy stained unkempt
STRONG
bedraggled begrimed defiled disarrayed foul fouled smudged spattered spotted sullied
WEAK
cruddy dreggy dungy grubby grungy icky lousy mucky scummy scuzzy slatternly slimy slovenly sooty squalid straggly undusted unhygienic unlaundered unsanitary unsightly unswept untidy unwashed yucky
Antonyms
STRONGEST
bright clean clear ordered orderly sterile
STRONG
neat
WEAK
spotless
ADJECTIVE
obscene, pornographic
Synonyms
STRONGEST
coarse filthy nasty
STRONG
base blue low mean unclean
WEAK
contemptible despicable immoral impure indecent lewd off-color ribald risqué salacious scatological scurvy smutty sordid squalid unchaste uncleanly vile vulgar
Antonyms
STRONGEST
clean decent
STRONG
moral
WEAK
nice pure spotless upright
ADJECTIVE
dishonest
Synonyms
STRONGEST
sleazy
STRONG
cheating corrupt crooked foul
WEAK
below the belt deceitful double-dealing shabby shady shifty sneaky sordid underhanded unethical unscrupulous untruthful
Antonyms
STRONG
clean good honest moral pure
WEAK
nice spotless upright
VERB
cause to be soiled
Synonyms
STRONGEST
blacken smear smudge sully
STRONG
begrime blotch blur coat contaminate corrupt debase defile discolor encrust foul grime muddy mung pollute smoke smutch spatter spoil spot stain sweat taint tar tarnish
WEAK
besoil make dusty make impure mess up
Antonyms
STRONG
clean cleanse clear flourish grow improve purify sterilize

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A dirty little truth about “feel-good” hits, down to the catchiest ditty, is that they’re rarely a band or an artist’s best work.

From Salon • Apr. 4, 2026

Designers need to pivot: Difficulty and complexity are not the dirty words we thought they were.

From Slate • Apr. 4, 2026

Truly cracked engineers didn’t dirty their hands with client-facing work.

From MarketWatch • Apr. 4, 2026

Government officials pledged to boost barriers to dirty money following Russia’s 2022 invasion of Ukraine.

From The Wall Street Journal • Mar. 30, 2026

There was a house on the left corner that looked like it might be occupied, but the dirty, curtainless windows seemed to say otherwise.

From "Boy 2.0" by Tracey Baptiste