Synonyms|248Antonyms|2|Broader|0Narrower|0Related|11

57 entries under rapidly topic. ×

9
pronto(adverb, hot, quick, speedy, directly)
6
promptly(adverb, now, directly, immediately, quickly)
5
hastily(adverb, quickly, speedily)
5
quickly(adverb, quickly, soon, swiftly)
5
soon(adverb, now, directly, immediately)
5
swiftly(adverb, directly, immediately, quickly)
4
double-time(adverb, hot, quick, speedy, directly)
4
speedily(adverb, directly, immediately, quickly)
3
expeditiously(adverb, directly, immediately, quickly)
3
in haste(expression, adverb, quickly, soon)
3
without delay(expression, adverb, directly, immediately)
2
PDQ(hot, quick, speedy, directly, immediately)
2
apace(quickly, speedily)
2
at once(expression, adverb, directly, immediately)
2
at short notice(expression, adverb, directly, instantly)
2
at the double(expression, idiom, adverb, quickly)
2
away(adverb, now, directly, immediately)
2
directly(adverb, now, immediately, instantly)
2
forthwith(adverb, now, directly, immediately)
2
in a New York minute(expression, adverb, directly, instantly)
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APASmart Define. (2015). on the double thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/on_the_double/thesaurus/synonyms
ChicagoSmart Define. 2015. "on the double thesaurus" https://smartdefine.org/on_the_double/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, on the double thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/on_the_double/thesaurus/synonyms>.
MLASmart Define. "on the double thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/on_the_double/thesaurus/synonyms>