145 entries under fast topic. ×

20
ready(adjective, light, free, smooth, easy)
19
energetic(adjective, pleasant, keen, sharp, intense)
19
spry(adjective, pleasant, keen, sharp, ability)
18
animated(adjective, keen, bright, intense, energetic)
17
impetuous(noun, adjective, passionate, violent)
17
instantaneous(adjective, prompt, summary, speedy)
17
short(adjective, time, casual, early)
16
cursory(adjective, time, light, casual)
16
snappy(adjective, express, prompt, energetic, lively)
15
precipitate(noun, adjective, prompt, passionate, violent)
14
adroit(adjective, light, smooth, sharp, smart)
14
flying(adjective, hot, velocity, rapid)
13
breakneck(adjective, prompt, violent, hot)
12
headlong(noun, adjective, passionate, violent)
12
quickly(adjective, adverb, rapidly, soon)
12
spirited(adjective, sharp, bright, energetic, lively)
12
sprightly(adjective, pleasant, keen, sharp, smart)
12
vigorous(adjective, pleasant, keen, sharp, smart)
11
express(adjective, direct, prompt, velocity)
11
impatient(adjective, violent, restless, fiery)
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APASmart Define. (2016). quick thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/quick/thesaurus/synonyms
ChicagoSmart Define. 2016. "quick thesaurus" https://smartdefine.org/quick/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, quick thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/quick/thesaurus/synonyms>.
MLASmart Define. "quick thesaurus" 1 April 2016. Web. 21 September 2026. <https://smartdefine.org/quick/thesaurus/synonyms>