79 entries under rapid topic. ×

57
swift(adjective, adverb, direct, express, prompt)
52
hasty(adjective, time, express, prompt, passionate)
50
fast(adjective, adverb, direct, express, firm)
43
speedy(adjective, direct, express, prompt, energetic)
39
brisk(adjective, pleasant, keen, sharp, ability)
29
active(adjective, activity, pleasant, keen, sharp)
29
nimble(adjective, keen, sharp, ability, smart)
28
agile(adjective, keen, sharp, ability, smart)
28
alert(verb, adjective, characteristic, understanding, pleasant)
27
immediate(noun, adjective, adverb, express, prompt)
26
lively(adjective, characteristic, feeling, pleasant, keen)
26
keen(adjective, characteristic, feeling, understanding, pleasant)
25
expeditious(adjective, adverb, express, prompt, property)
25
prompt(adjective, adverb, smooth, easy, sharp)
23
abrupt(adjective, passionate, violent, fast)
22
sudden(noun, adjective, passionate, violent, fast)
21
acute(adjective, characteristic, feeling, understanding, keen)
20
hurried(adjective, time, express, prompt, energetic)
20
ready(adjective, light, free, smooth, easy)
19
energetic(adjective, pleasant, keen, sharp, intense)
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APASmart Define. (2016). quick thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/quick/thesaurus/synonyms
ChicagoSmart Define. 2016. "quick thesaurus" https://smartdefine.org/quick/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, quick thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/quick/thesaurus/synonyms>.
MLASmart Define. "quick thesaurus" 1 April 2016. Web. 20 September 2026. <https://smartdefine.org/quick/thesaurus/synonyms>