Hepped up and Impassive

Hepped up

Hepped up adjective - Showing urgent desire or interest.
Usage example: all hepped up about buying a new motorcycle

Impassive is an antonym for hepped up.

Impassive

Impassive adjective - Not feeling or showing emotion.

Hepped up is an antonym for impassive.

Cite this Source
Impassive and Hepped up. (2017). Retrieved 2026, August 15, from https://thesaurus.plus/related/hepped_up/impassive
Hepped up & Impassive. N.p., 2017. Web. 15 Aug. 2026. <https://thesaurus.plus/related/hepped_up/impassive>.
Impassive or Hepped up. 2017. Accessed August 15, 2026. https://thesaurus.plus/related/hepped_up/impassive.
Google Ngram Viewer shows how "hepped up" and "impassive" have occurred on timeline