Fickle
Fickle adjective - Likely to change frequently, suddenly, or unexpectedly.
Grumpy and fickle are semantically related. In some cases you can use "Grumpy" instead an adjective "Fickle".
Nearby Word: fickleness
Cite this Source
Grumpy and Fickle. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/fickle/grumpy
Fickle & Grumpy. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/fickle/grumpy>.
Grumpy or Fickle. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/fickle/grumpy.
Google Ngram Viewer shows how "fickle" and "grumpy" have occurred on timeline