Fire up
Fire up verb - To rouse to strong feeling or action.
Usage example: the dynamic speaker fired up the audience as no one had previously done
Key up
Mutual synonyms
Cite this Source
Key up and Fire up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/fire_up/key_up
Fire up & Key up. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/fire_up/key_up>.
Key up or Fire up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/fire_up/key_up.
Google Ngram Viewer shows how "fire up" and "key up" have occurred on timeline