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dirtiest

ADJECTIVE

soiled, unclean

Synonyms

STRONGEST

contaminated crummy disheveled dusty filthy greasy grimy messy muddy murky nasty polluted sloppy stained unkempt

STRONG

bedraggled begrimed black defiled disarrayed foul fouled smudged spattered spotted sullied

WEAK

cruddy dishabille dreggy dungy grubby grungy icky lousy mucky mung pigpen raunchy scummy scuzzy slatternly slimy slovenly smutty sooty squalid straggly undusted unhygienic unlaundered unsanitary unsightly unswept untidy unwashed yucky

Antonyms

STRONGEST

bright clean clear decent neat ordered orderly pure sterile tidy

STRONG

good

WEAK

moral nice spotless upright

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

happy honest moral noble

WEAK

nice pure spotless sterile 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 sterile upright

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.

Listening to “The Boutique,” I feel like I should be smoking a cigarette and drinking the dirtiest martini known to man in a speakeasy, wearing a drop waist silk dress and bright red lipstick.

From Salon • Jun. 5, 2026

Of the 490 beaches that Heal the Bay monitored between 2025 and 2026, the top 10 dirtiest also included six in San Mateo County, one in San Diego County and another in Humboldt County.

From Los Angeles Times • May 20, 2026

Rising natural-gas prices boost the dirtiest fossil fuel.

From The Wall Street Journal • Mar. 5, 2026

While China ramps up its renewables, it continues to rely heavily on coal, the dirtiest fossil fuel.

From BBC • Sep. 24, 2025

Always they were the scrawniest or the ugliest or the dirtiest or the stupidest boys, picked on by everyone else, with no one left uglier or stupider than they but her.

From "The Midwife's Apprentice" by Karen Cushman