Synonyms|578Antonyms|147|Broader|5Narrower|2Related|394

82 entries under fast topic. ×

9
brief(adjective, casual, quick, hasty)
8
precipitate(verb, adjective, quick, abrupt)
8
galloping(adjective, velocity, hasty, urgent)
8
instantaneous(adjective, direct, precise, responsive)
8
summary(noun, adjective, quick)
7
cursory(adjective, casual, quick, hasty)
7
short(adjective, casual, quick, abrupt)
7
sudden(adjective, quick, abrupt, rapid)
6
active(adjective, movement, express, energetic, lively)
6
alacritous(adjective, prompt, lively, quick)
6
headlong(adjective, prompt, quick, abrupt)
6
instant(adjective, direct, prompt, precise)
6
spry(adjective, energetic, quick, rapid)
6
whirlwind(adjective, quick, rapid, urgent)
5
abrupt(adjective, direct, irritable, quick)
5
accelerated(adjective, direct, express, prompt, hot)
5
alert(adjective, keen, energetic, active)
5
dashing(adjective, strong, hot, irritable)
5
impetuous(adjective, quick, abrupt, swift)
4
high-speed(adjective, direct, express, quick)
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HarvardSmart Define 2016, speedy thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/speedy/thesaurus/synonyms>.
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