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improbable

See definition of improbable on Dictionary.com

synonyms for improbable

  • fanciful
  • implausible
  • rare
  • unbelievable
  • unlikely
  • doubtful
  • dubious
  • far-fetched
  • flimsy
  • hundred-to-one
  • iffy
  • inconceivable
  • not expected
  • outside chance
  • questionable
  • slim
  • slim and none
  • uncertain
  • unconvincing
  • unheard of
  • unimaginable
  • unsubstantial
  • weak
See also synonyms for: improbableness / improbably

antonyms for improbable

MOST RELEVANT
  • believable
  • likely
  • ordinary
  • plausible
  • probably
  • real
  • ostensible
  • possible
  • probable
  • tenable
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

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How to use improbable in a sentence

Of course, any such speculation only underscores just how improbable Kipchoge’s win streak really was.
ELIUD KIPCHOGE’S STREAK COMES TO AN END IN LONDONMARTIN FRITZ HUBEROCTOBER 5, 2020OUTSIDE ONLINE
Allen has raised his ceiling this year, performing at a level many would have considered improbable before this season.
IS JOSH ALLEN ACTUALLY GOOD NOW?JOSH HERMSMEYERSEPTEMBER 25, 2020FIVETHIRTYEIGHT
Earlier this month, before the Nuggets pulled off another improbable series comeback, I asked 7-footer Nikola Jokić about the patient, glacially paced style he uses on offense.
NIKOLA JOKIĆ IS A TORTOISE, AND HE’S BEATING ALL OF THE HARESCHRIS HERRING (CHRIS.HERRING@FIVETHIRTYEIGHT.COM)SEPTEMBER 24, 2020FIVETHIRTYEIGHT
Of all the subcultures on Twitter, TikTok, and Instagram, this is one of the most improbable—and riskiest—to emerge.
INSIDE THE WEIRD NEW WORLD OF SOCIAL ‘FOREX’ TRADING—WHERE YOU SIGN UP FRIENDS, AND SOME REPORT RISKY RED FLAGS FOR INVESTORSBROOKE HENDERSONSEPTEMBER 20, 2020FORTUNE
That is to say, it is improbable that there would be a major polling error in Michigan that wouldn’t also be reflected in similar states such as Wisconsin and Ohio.
HOW FIVETHIRTYEIGHT’S 2020 PRESIDENTIAL FORECAST WORKS — AND WHAT’S DIFFERENT BECAUSE OF COVID-19NATE SILVER (NRSILVER@FIVETHIRTYEIGHT.COM)AUGUST 12, 2020FIVETHIRTYEIGHT
Leaving Howlet and Meadows grinning at a highly improbable adventure, he slapped the boy on the shoulder.
FEE OF THE FRONTIERHORACE BROWN FYFE
One of the company observed that this was improbable, as Dr. Goldsmith had never been in that part of the country.
THE BOOK OF ANECDOTES AND BUDGET OF FUN;VARIOUS
It is not improbable, however, that the movement may have been a serious attempt at a great flank attack on England.
KING ROBERT THE BRUCEA. F. MURISON
Limited to Cycadeae, however, it does not appear to me so very improbable, as to deserve to be rejected without examination.
NARRATIVE OF A SURVEY OF THE INTERTROPICAL AND WESTERN COASTS OF AUSTRALIA] [VOLUME 2 OF 2]PHILLIP PARKER KING
Rabbah was to be a sheep-fold, Babylon a menagerie of wild beasts—a very specific difference and very improbable.
GOSPEL PHILOSOPHYJ. H. WARD
SYNONYM OF THE DAY
OCTOBER 26, 1985
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Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.