Improbable and Possible

Improbable

Improbable adjective - Not likely to be true or to occur.
Usage example: it seems improbable that the two writers never met since they traveled in the same social circles

Possible is an antonym for improbable in not likely topic.

Nearby Words: improbability, improbably

Possible

Possible adjective - Capable of being done or carried out.
Usage example: I think that building the entire set in two days is possible, albeit difficult

Improbable is an antonym for possible in likely topic.

Nearby Words: possibility, possibly

Both words in one sentence

  • Black Vikings While improbable, a Japanese sailor in the 18th century Caribbean is quite possible.
    Source: Black Vikings
  • And on the other hand, it is theoretically possible, if very improbable, to get physically impossible parameters.
  • Crack Fic If you don't know all the details, the ROH situation sounds possible even, if highly improbable.
    Source: Crack Fic
Cite this Source
Possible and Improbable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/improbable/possible
Improbable & Possible. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/improbable/possible>.
Possible or Improbable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/improbable/possible.
Google Ngram Viewer shows how "improbable" and "possible" have occurred on timeline