40 entries under instant topic. ×

51
quick(adjective, direct, keen, express, prompt)
47
swift(adjective, direct, express, prompt, energetic)
36
speedy(adjective, direct, express, prompt, energetic)
28
hasty(adjective, moving, express, prompt, violent)
22
expeditious(adjective, express, prompt, property, hot)
20
prompt(adjective, keen, sharp, express, energetic)
17
ready(adjective, keen, express, prompt, intense)
16
immediate(adjective, keen, express, prompt, energetic)
13
hurried(adjective, express, prompt, energetic, violent)
12
express(verb, adjective, direct, keen, prompt)
11
precipitate(verb, adjective, prompt, fast, quick)
6
alacritous(adjective, prompt, lively, fast, quick)
3
rushed(adjective, quick, summary, unexpected)
2
flashing(adjective, hot, quick, speedy, immediate)
2
pronto(hot, fast, quick, summary, speedy)
1
curt(fast, irritable, swift, tetchy)
1
perfunctory(adjective, fast, casual, quick, speedy)
1
short-lived(adjective, summary, tumultuous)
1
unexpected(adjective, violent, fast, quick, summary)
1
very fast(expression, summary, tumultuous)
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APASmart Define. (2016). rapid thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/rapid/thesaurus/synonyms
ChicagoSmart Define. 2016. "rapid thesaurus" https://smartdefine.org/rapid/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, rapid thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/rapid/thesaurus/synonyms>.
MLASmart Define. "rapid thesaurus" 1 April 2016. Web. 23 September 2026. <https://smartdefine.org/rapid/thesaurus/synonyms>