Fickle and Irregular

Fickle

Fickle adjective - Likely to change frequently, suddenly, or unexpectedly.
Usage example: a fickle friendship that was on and off over the years

Irregular is a synonym for fickle in capricious topic. In some cases you can use "Irregular" instead an adjective "Fickle", when it comes to topics like uncertain, inconstant.

Nearby Word: fickleness

Irregular

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

Fickle is a synonym for irregular in uncertain topic. Sometimes you can use "Fickle" instead an adjective "Irregular", if it concerns topics such as inconstant.

Nearby Words: irregularity, irregularly
Cite this Source
Irregular and Fickle. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/fickle/irregular
Fickle & Irregular. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/fickle/irregular>.
Irregular or Fickle. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/fickle/irregular.
Google Ngram Viewer shows how "fickle" and "irregular" have occurred on timeline