Synonyms for improbable
ɪmˈprɒb ə bəlim·prob·a·ble

English Synonyms and AntonymsRate these synonyms:5.0 / 1 vote

1. improbable

   Synonyms:
   doubtful, dubious, unimaginable, unlikely

   Antonyms:
   apparent, likely, presumable, probable, seeming

Princeton's WordNetRate these synonyms:0.0 / 0 votes

1. improbable, unlikelyadjective

   not likely to be true or to occur or to have occurred

   "legislation on the question is highly unlikely"; "an improbable event"

   Synonyms:
   marvelous, tall(a), unbelievable, unconvincing, unlikely, marvellous

   Antonyms:
   likely, verisimilar, presumptive, believable, credible, probable, plausible, equiprobable

2. improbable, unbelievable, unconvincing, unlikelyadjective

   having a probability too low to inspire belief

   Synonyms:
   unbelievable, marvellous, tall(a), incredible, flimsy, unlikely, marvelous, unconvincing

   Antonyms:
   equiprobable, plausible, probable, presumptive, believable, credible, verisimilar, likely

3. improbable, marvelous, marvellous, tall(a)adjective

   too improbable to admit of belief

   "a tall story"

   Antonyms:
   likely, believable, verisimilar, plausible, probable, credible, equiprobable, presumptive

Dictionary of English SynonymesRate these synonyms:0.0 / 0 votes

1. improbableadjective

   Synonyms:
   unlikely, not probable

PPDB, the paraphrase databaseRate these paraphrases:0.0 / 0 votes

1. List of paraphrases for "improbable":

   unlikely, implausible

How to pronounce improbable?

How to say improbable in sign language?

Usage in printed sourcesFrom: 

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Words popularity by usage frequency

How to use improbable in a sentence?

1. Meghan Markle:

   Grant Harrold insisted. Meghan Markle and Prince Harry pose for photos and show off Meghan Markle engagement ring. ( AP) Sally Bedell Smith, author of Prince Charles : The Passions and Paradoxes of an Improbable Life, although Meghan has had a successful career in acting, I believe she will quit the profession.

2. Conan Doyle:

   When you have eliminated the impossible, whatever remains, however improbable, must be the truth. It is stupidity rather than courage to refuse to recognize danger when it is close upon you.

3. H.L. Mencken:

   Faith may be defined briefly as an illogical belief in the occurrence of the improbable.

4. David Anderegg:

   But if we think about all the things that can harm people, a (mass shooting) is a very, very improbable event and seeing it on TV nonstop makes it feel more probable but doesn't make it actually more probable.

5. Sir Arthur Conan Doyle, (Sherlock Holmes) Sign of Four:

   How often have I said to you that when you have eliminated the impossible, whatever remains, however improbable, must be the truth?