Irregular
Irregular adjective - Departing from some accepted standard of what is normal.
Preposterous and irregular are semantically related. In some cases you can use "Preposterous" instead an adjective "Irregular".
Nearby Words: irregularity, irregularly
Preposterous
Preposterous adjective - Conceived or made without regard for reason or reality.
Irregular and preposterous are semantically related. Sometimes you can use "Irregular" instead an adjective "Preposterous".
Mutual synonyms
Cite this Source
Preposterous and Irregular. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/irregular/preposterous
Irregular & Preposterous. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/irregular/preposterous>.
Preposterous or Irregular. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/irregular/preposterous.
Google Ngram Viewer shows how "irregular" and "preposterous" have occurred on timeline