Irregular and Temperamental

Irregular

Irregular adjective - Lacking in steadiness or regularity of occurrence.
Usage example: irregular mail delivery to the island

Temperamental and irregular are semantically related. In some cases you can use "Temperamental" instead an adjective "Irregular".

Nearby Words: irregularity, irregularly

Temperamental

Temperamental adjective - Likely to change frequently, suddenly, or unexpectedly.
Usage example: stock prices have been pretty temperamental lately, often fluctuating wildly

Irregular and temperamental are semantically related. Sometimes you can use "Irregular" instead an adjective "Temperamental".

Nearby Word: temperament
Cite this Source
Temperamental and Irregular. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/irregular/temperamental
Irregular & Temperamental. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/irregular/temperamental>.
Temperamental or Irregular. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/irregular/temperamental.
Google Ngram Viewer shows how "irregular" and "temperamental" have occurred on timeline