| fly(verb, irritable, tetchy, snippy) | |
| frantic(violent, fast, quick) | |
| frenetic(adverb, quickly) | |
| frisky | |
| functioning(moving, active, effective, running, alive) | |
| gain ground(expression, idiom, velocity, sequence) | |
| go ahead(verb, phrasal verb, velocity, sequence) | |
| going(adjective, moving, active, fast, effective) | |
| gone off half-cocked(expression, idiom, violent, fast, quick) | |
| hair-trigger | |
| hairtrigger(hot, quick, speedy) | |
| harefooted(prompt, fast, irritable, quick, abrupt) | |
| harum-scarum(violent, fast, quick) | |
| haste | |
| hasten(verb, velocity) | |
| having movement | |
| heedless(violent, fast, quick, speedy, hurried) | |
| hell-for-leather(adjective, informal, fast) | |
| helter-skelter | |
| hurry(noun, velocity) |
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| APA | Smart Define. (2016). rapid thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/rapid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "rapid thesaurus" https://smartdefine.org/rapid/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, rapid thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/rapid/thesaurus/synonyms>. |
| MLA | Smart Define. "rapid thesaurus" 1 April 2016. Web. 22 September 2026. <https://smartdefine.org/rapid/thesaurus/synonyms> |