Synonyms|744Antonyms|104|Broader|6Narrower|5Related|904

83 entries under rapid topic. ×

3
breakneck(adjective, keen, sharp, energetic, active)
3
curt(adjective, keen, energetic, violent, active)
3
impatient(adjective, keen, energetic, violent, careless)
2
express(adjective, fast, summary, swift)
2
summary(swift, instant, transientness)
1
ASAP(fast, swift)
1
active(fast, swift)
1
agile(fast, quick, speedy, swift)
1
alacritous(adjective, summary, abrupt, unexpected)
1
alert(fast, swift)
1
animated(fast, swift)
1
barrelling(summary, abrupt, unexpected, instant)
1
cracking(summary, abrupt, unexpected, instant)
1
double-quick(summary, abrupt, unexpected, instant)
1
double time(expression, fast, swift)
1
energetic(fast, swift)
1
expeditive(fast, swift, highpowered, chop-chop)
1
fleet-footed(summary, abrupt, unexpected, instant)
1
going(fast, swift)
1
keen(adjective, energetic, violent, active, anxious)
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HarvardSmart Define 2016, sudden thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sudden/thesaurus/synonyms>.
MLASmart Define. "sudden thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/sudden/thesaurus/synonyms>