Preposterous
Preposterous adjective - Conceived or made without regard for reason or reality.
Unpredictable and preposterous are semantically related. In some cases you can use "Unpredictable" instead an adjective "Preposterous".
Unpredictable
Unpredictable adjective - Likely to change frequently, suddenly, or unexpectedly.
Preposterous and unpredictable are semantically related. Sometimes you can use "Preposterous" instead an adjective "Unpredictable".
Nearby Word: unpredictability
Mutual synonyms
Cite this Source
Unpredictable and Preposterous. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/preposterous/unpredictable
Preposterous & Unpredictable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/preposterous/unpredictable>.
Unpredictable or Preposterous. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/preposterous/unpredictable.
Google Ngram Viewer shows how "preposterous" and "unpredictable" have occurred on timeline