Definition of improbable in English:

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improbable

Pronunciation: /imˈpräbəb(ə)l/

adjective

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.
Synonyms
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.
Synonyms

Origin

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

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