Improbable
Improbable adjective - Not likely to be true or to occur.
Iffy and improbable are semantically related. in not likely topic. In some cases you can use "Iffy" instead an adjective "Improbable".
Nearby Words: improbability, improbably
Iffy
Iffy adjective - Subject to accident or chance or change.
Show all Definitions
Synonyms for Iffy
Improbable and iffy are semantically related. Sometimes you can use "Improbable" instead an adjective "Iffy".
Mutual synonyms
Cite this Source
Iffy and Improbable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/improbable/iffy
Improbable & Iffy. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/improbable/iffy>.
Iffy or Improbable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/improbable/iffy.
Google Ngram Viewer shows how "improbable" and "iffy" have occurred on timeline