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
Mutual synonyms
Both words in one sentence
- The side-effect is that his body ends up overproducing adrenaline, and the adrenal overload makes him super-strong, hyper-agile, impervious to pain ... and prone to unstable mood swings.
Source: Disability Superpower
Cite this Source
Unstable and Hyper. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/hyper/unstable
Hyper & Unstable. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/hyper/unstable>.
Unstable or Hyper. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/hyper/unstable.
Google Ngram Viewer shows how "hyper" and "unstable" have occurred on timeline