569 entries under adjective topic. ×
| racing(quick, rapid, speedy) | |
| rapid-fire(prompt, quick, quickly, urgent) | |
| reckless(violent, careless, wild, quick) | |
| right(close, correct, honest, pure) | |
| riotous | |
| self-indulgent(wild, degenerate, immoral, depraved) | |
| short(casual, quick, early, uncomfortable) | |
| smart(activity, bright, intelligent, casual) | |
| stalwart(calm, strong, tough, firm) | |
| tied | |
| unfailing(trustworthy, faithful) | |
| ungoverned(free, restraint, unrestrained, abandoned) | |
| unmovable(fixed, resolute, persistent, rigid) | |
| urgent(direct, prompt, quick, hasty) | |
| vigorous | |
| zippy | |
| cursory(casual, quick, speedy, hasty) | |
| hot(loose, coarse, vulgar, indecent) | |
| affectionate(close, correct, warm, firm) | |
| airtight |
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| APA | Smart Define. (2016). fast thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/fast/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fast thesaurus" https://smartdefine.org/fast/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, fast thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fast/thesaurus/synonyms>. |
| MLA | Smart Define. "fast thesaurus" 1 April 2016. Web. 25 September 2026. <https://smartdefine.org/fast/thesaurus/synonyms> |