Hyper
Hyper adjective - Easily excited by nature.
Usage example: she's so hyper that she's the last person you'd want to turn to in an emergency
Cite this Source
Irritable and Hyper. (2016). Retrieved 2026, August 12, from https://thesaurus.plus/related/hyper/irritable
Hyper & Irritable. N.p., 2016. Web. 12 Aug. 2026. <https://thesaurus.plus/related/hyper/irritable>.
Irritable or Hyper. 2016. Accessed August 12, 2026. https://thesaurus.plus/related/hyper/irritable.
Google Ngram Viewer shows how "hyper" and "irritable" have occurred on timeline