Synonyms of improbable

improbable

adjective

(ˌ)im-ˈprä-bə-bəl 

as in unlikely

not likely to be true or to occur

it seems improbable that the two writers never met since they traveled in the same social circles

Synonyms & Similar Words

• unlikely
• doubtful
• questionable
• dubious
• odd
• impossible
• far-fetched
• flimsy
• bizarre
• implausible
• incredible
• inconceivable
• unapt
• unbelievable
• fantastical
• unthinkable
• unimaginable
• ridiculous
• absurd
• fantastic
• outlandish
• foolish
• nonsensical
• preposterous
• unreal
• insane
• crazy
• wild
• remote
• slight
• outside

Antonyms & Near Antonyms

• probable
• likely
• plausible
• possible
• conceivable
• potential
• credible
• earthly
• believable
• imaginable
• liable

Examples Sentences

Recent Examples of improbable

Of course, the existence of Santa Claus is more about the believer (or non-believer) than the big man himself; and Miracle is primarily about a Macy’s exec and her daughter learning that belief, no matter how improbable, can make magic real. —Janey Tracey, EW.com, 29 Nov. 2024

The Bengals’ defense keeps letting the team down in big games, but a slate of matchups against mediocre offenses in Pittsburgh, Dallas, Tennessee, Cleveland and Denver might give Cincinnati a chance to simply outscore opponents and make an improbable run. —C.j. Doon, Baltimore Sun, 26 Nov. 2024

In only four scenarios did Altman return as CEO, showcasing just how improbable the actual outcome was. —Charlie Fink, Forbes, 21 Nov. 2024

The loss is also somehow the second time this season Chicago has lost on an improbable play as time expired. —Rohan Nadkarni, NBC News, 17 Nov. 2024