Fickle
Fickle adjective - Likely to change frequently, suddenly, or unexpectedly.
Hyper and fickle are semantically related In some cases you can use "Hyper" instead an adjective "Fickle".
Nearby Word: fickleness
Hyper
Hyper adjective - Easily excited by nature.
Cite this Source
Hyper and Fickle. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fickle/hyper
Fickle & Hyper. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fickle/hyper>.
Hyper or Fickle. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fickle/hyper.
Google Ngram Viewer shows how "fickle" and "hyper" have occurred on timeline