Synonyms|662Antonyms|133|Broader|4Narrower|0Related|376

79 entries under rapidly topic. ×

3
flat-out(quick, quickly, hastily, speedily)
3
in a hurry(adverb, fast, quickly, pronto)
3
in a rush(adverb, fast, quickly, pronto)
3
like lighting(adverb, fast, quickly, pronto)
3
pdq(adverb, now, directly, immediately)
3
presto(first, now, directly, immediately, quickly)
3
this instant(expression, idiom, adverb, directly, immediately)
3
tout de suite(expression, adverb, directly, immediately)
2
anon(quick, now, directly, immediately, quickly)
2
enthusiastically(quickly, energetically, aggressively)
2
full tilt(expression, quick, quickly, readily)
2
in a flash(expression, adverb, directly, quickly)
2
in nothing flat(expression, now, directly, quickly)
2
like greased lightning(expression, idiom, adverb, quickly)
2
on the dot(adjective, adverb, quick, directly, immediately)
2
shortly(quick, now, directly, immediately, quickly)
1
at short notice(expression, idiom, directly, immediately)
1
at the double(expression, idiom, quickly, speedily)
1
belive(adverb, fast, quickly, pronto)
1
double-time(adverb, directly, immediately, instantly)
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ChicagoSmart Define. 2016. "promptly thesaurus" https://smartdefine.org/promptly/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, promptly thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/promptly/thesaurus/synonyms>.
MLASmart Define. "promptly thesaurus" 21 March 2016. Web. 26 September 2026. <https://smartdefine.org/promptly/thesaurus/synonyms>