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

66 entries under rapidly topic. ×

1
away(directly, immediately, instantly)
1
briskly(adverb, quickly, speedily)
1
chop-chop(quickly, speedily)
1
directly(immediately, instantly)
1
expeditiously(adverb, directly, immediately, quickly)
1
flat-out(quickly, speedily)
1
fleetly(quickly, speedily)
1
forthwith(directly, immediately, instantly, shortly)
1
full tilt(expression, quickly, speedily)
1
hereupon(directly, immediately, instantly, shortly)
1
hurriedly(adverb, quickly, speedily)
1
immediately(directly, quickly, instantly, speedily)
1
in a New York minute(expression, idiom, directly, instantly)
1
in short order(expression, idiom, quickly, speedily)
1
instanter(directly, immediately, instantly, shortly)
1
like a flash(expression, idiom, quickly, speedily)
1
like greased lightning(expression, idiom, adverb, quickly)
1
like lightning(expression, quickly, speedily)
1
like now(expression, directly, immediately, instantly)
1
like wildfire(expression, quickly, speedily)
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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>