Share this entry

Share this page


Syllabification: im·prob·a·ble
Pronunciation: /imˈpräbəb(ə)l

Definition of improbable in English:


1Not likely to be true or to happen: this account of events was seen by the jury as most improbable
More example sentences
  • No flight of fancy was too improbable, no wild accusation too unlikely.
  • Well, it's a theory, an improbable one, but harmless fun to contemplate.
  • What follows in the film is one improbable set-up after another, until it ends with the most ludicrous ending ever.
unlikely, doubtful, dubious, debatable, questionable, uncertain;
unthinkable, inconceivable, unimaginable, incredible
informal iffy
1.1Unexpected and apparently inauthentic: the characters have improbable names
More example sentences
  • A chap by the improbable name of Monty Nebinger emails to offer his services.
  • I have a neat piece of software with the improbable name of Delicious Library.
  • The trainer of the Queen's pigeons, an East Anglian with the improbable name of Carlo Napolitano, was at Sun City.


late 16th century: from French, or from Latin improbabilis 'hard to prove', from in- 'not' + probabilis (see probable).



Example sentences
  • Perhaps, more improbably, we learn to abhor violence.
  • Some years ago, I was making a film in Austin, Texas, and I fell into conversation with the improbably tall and very sociable driver who picked me up every day.
  • He grins an improbably toothy grin, winks, and throws his head back and lets out a loud, long, booming laugh.

Definition of improbable in:

Share this entry

Share this page


What do you find interesting about this word or phrase?