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Definitions

won't wash

ADJECTIVE
implausible
Synonyms
STRONGEST
dubious farfetched flimsy impossible improbable inconceivable incredible unbelievable unconvincing unreasonable
WEAK
doubtful far-out fishy for the birds full of holes obscure problematic puzzling reachy suspect thin too much unsubstantial weak won't hold water
Antonyms
STRONGEST
believable convincing credible likely plausible possible realistic reasonable tenable
ADJECTIVE
inconceivable
Synonyms
STRONGEST
extraordinary implausible impossible improbable incredible mind-boggling strange unbelievable unheard-of unimaginable unthinkable
WEAK
fantastic incogitable incomprehensible insupposable phony rare reachy staggering thin unconvincing unknowable unlikely unsubstantial weak won't fly
Antonyms
STRONGEST
believable common credible familiar likely normal plausible possible reasonable tenable usual
WEAK
conceivable fathomable imaginable
ADJECTIVE
suspicious
Synonyms
STRONGEST
dubious questionable uncertain unsure unusual
WEAK
borderline debatable different disputable doubtable equivocal farfetched funny irregular not kosher open open to doubt open to question out of line overt peculiar phony problematic reaching rings untrue shady shaky suspect too much uncommon
Antonyms
STRONGEST
certain clear definite secure sure undoubted
WEAK
believable indubious innocent palpable trustworthy trusty unquestionable
ADJECTIVE
unbelievable
Synonyms
STRONGEST
astonishing implausible impossible improbable inconceivable incredible outlandish preposterous too much unimaginable unthinkable
WEAK
beyond belief cockamamie cockeyed doubtful dubious far-fetched fishy flaky flimsy for the birds full of holes harebrained incogitable kooky lamebrained open to doubt past belief phony questionable reaching scatterbrained screwy staggering suspect thick thin unconvincing unsubstantial weak won't hold water
Antonyms
STRONGEST
believable conceivable credible imaginable likely plausible possible reasonable tenable
WEAK
real
ADJECTIVE
unconceivable
Synonyms
WEAK
doubtful dubious far-out farfetched fishy flimsy for the birds full of holes impossible improbable inconceivable incredible obscure problematic puzzling reachy shaky suspect thin too much unbelievable unconvincing unreasonable unsubstantial weak won't hold water

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.

Trying to dress it up as who has the moral high ground just won’t wash.

From Slate • Sep. 3, 2020

If the washing machine won’t wash or the screen door won’t seamlessly slide, does it make sense to call a professional?

From Los Angeles Times • May 21, 2020

That won't wash so far as Labour leader Jeremy Corbyn is concerned.

From BBC • Aug. 29, 2019

The old saw that horse people really love their animals won’t wash anymore.

From Washington Post • May 5, 2019

“Caper as you like, it won’t wash out your crimes. Daenerys Targaryen is no silly child to be diverted by japes and tumbles. She will deal with you justly.”

From "A Dance with Dragons" by George R. R. Martin