cleanest

ADJECTIVE

not dirty; uncluttered

Synonyms

STRONGEST

blank bright clear elegant fresh graceful hygienic immaculate neat orderly pure simple spotless tidy unblemished washed

STRONG

cleansed laundered shining sparkling speckless stainless trim vanilla white

WEAK

apple-pie order delicate dirtless faultless flawless neat as a button neat as a pin sanitary snowy spic and span squeaky taintless unpolluted unsmudged unsoiled unspotted unstained unsullied untarnished well-kept

Antonyms

STRONGEST

aware cloudy complicated contaminated corrupt dark dirty disorderly disorganized dull filthy foul gloomy impure obscure sloppy slovenly soiled tainted uncertain unclean unclear unintelligible unsterile untidy

WEAK

adulterated besmirched cluttered defiled imprecise incomplete indefinite muddled polluted stained tarnished unchaste unvirtuous

ADJECTIVE

sterile

Synonyms

STRONGEST

hygienic pure wholesome

STRONG

antiseptic clarified decontaminated disinfected purified sterilized

WEAK

aseptic sanitary unadulterated uncontaminated uninfected unpolluted unsullied

Antonyms

STRONGEST

contaminated dirty impure indecent

WEAK

adulterated besmirched cluttered defiled filthy foul imprecise incomplete indefinite muddled polluted stained tarnished unchaste unsterile unvirtuous

ADJECTIVE

chaste, virtuous

Synonyms

STRONGEST

decent good wholesome

STRONG

innocent moral upright

WEAK

blameless crimeless exemplary faultless guiltless honorable inculpable modest respectable sinless undefiled unguilty unsullied

Antonyms

STRONGEST

bad indecent unsuitable

STRONG

corrupt dishonest evil sinful

WEAK

adulterated besmirched cluttered defiled dirty filthy foul imprecise impure incomplete indefinite muddled polluted stained tarnished unchaste unsterile unvirtuous

ADJECTIVE

precise, sharp

Synonyms

STRONGEST

clear neat plain simple

STRONG

clear-cut correct trim uncluttered

WEAK

definite distinct legible readable

Antonyms

STRONGEST

ambiguous complex complicated decorated difficult embellished intricate obscure obscured ornate unclear unintelligible vague

WEAK

adulterated besmirched cluttered defiled dirty filthy foul imprecise impure incomplete indefinite muddled polluted stained tarnished unchaste unsterile unvirtuous

ADJECTIVE

complete, thorough

Synonyms

STRONGEST

perfect

STRONG

absolute entire final total whole

WEAK

conclusive decisive unimpaired

Antonyms

STRONG

imperfect incomplete limited part partial

WEAK

adulterated besmirched cluttered defiled dirty filthy foul imprecise impure indefinite muddled polluted stained tarnished unchaste unsterile unvirtuous

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.

"I was trying to chase back down and I messed up at another corner. It wasn't the cleanest, which was a shame because I qualified really well yesterday and it felt good in practice."

From BBC • Mar. 8, 2026

Leaders aren’t made by learning to craft the cleanest memo but by learning to align a room full of smart people who don’t naturally agree.

From The Wall Street Journal • Feb. 25, 2026

Still, the 10y10y forward rate is the cleanest measure of the long-term risk premium and currently it reflects the market’s belief in debts and deficits.

From Barron's • Feb. 24, 2026

We haphazardly dressed in our cleanest warm clothes.

From Slate • Jan. 25, 2026

A boy and a girl about my age are leaning on the fence, chatting, and I look down on the prettiest, cleanest pigs I’ve ever seen.

From "On the Far Side of the Mountain" by Jean Craighead George