AskDefine | Define improbable

Dictionary Definition

improbable adj
1 not likely to be true or to occur or to have occurred; "legislation on the question is highly unlikely"; "an improbable event" [syn: unlikely] [ant: probable]
2 having a probability to low to inspire belief [syn: unbelievable, unconvincing, unlikely]
3 too improbable to admit of belief; "a tall story" [syn: marvelous, marvellous, tall(a)]

User Contributed Dictionary



  1. Not likely to be true.
    It's highly improbable that aliens abducted you.
  2. Not likely to happen.
    Due to the loss of power, it is improbable that we will begin on time.


not likely to be true
Translations to be checked

See also



es-adj improbable


Synonyms, Antonyms and Related Words

absurd, crazy, distant, doubtable, doubtful, dubious, dubitable, extraordinary, fanciful, farfetched, fishy, flimsy, forced, hard to believe, hardly possible, implausible, impossible, inconceivable, incredible, insane, ludicrous, mad, more than doubtful, more than expected, out-of-the-way, past expectation, peculiar, questionable, quite another thing, remote, ridiculous, something else again, strained, strange, sudden, thin, unannounced, unanticipated, unbelievable, unconvincing, undivined, unexpected, unforeseeable, unforeseen, unguessed, unheralded, unhoped for, unlikely, unpredictable, unpredicted, unprepared for, unpromising, unrealistic, unsubstantial, unthinkable, weak, weird, wild, without warning
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