Synonyms|108Antonyms|2|Broader|0Narrower|0Related|20

66 entries under rapidly topic. ×

7
instantaneously(adverb, directly, immediately, instantly)
5
pronto(adverb, fast, directly, immediately, quickly)
4
fast(adverb, quickly, speedily)
4
in no time(expression, idiom, adverb, quickly)
3
hastily(adverb, quickly, speedily)
3
in a jiffy(expression, adverb, directly, immediately)
3
instantly(adverb, directly, immediately)
3
quickly(adverb, fast, speedily)
3
swiftly(adverb, directly, immediately, quickly)
2
apace(adverb, fast, quickly, speedily)
2
double-time(directly, immediately, instantly, shortly)
2
in haste(expression, quickly, speedily)
2
in nothing flat(expression, directly, quickly, instantly)
2
like a shot(expression, idiom, adverb, quickly)
2
promptly(directly, immediately, quickly, instantly)
2
soon(directly, immediately, quickly, instantly)
1
PDQ(directly, immediately, instantly, shortly)
1
anon(directly, immediately, instantly, shortly)
1
at once(expression, directly, immediately, quickly)
1
at short notice(expression, idiom, directly, instantly)
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APASmart Define. (2015). in a flash thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/in_a_flash/thesaurus/synonyms
ChicagoSmart Define. 2015. "in a flash thesaurus" https://smartdefine.org/in_a_flash/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, in a flash thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/in_a_flash/thesaurus/synonyms>.
MLASmart Define. "in a flash thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/in_a_flash/thesaurus/synonyms>