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

66 entries under rapidly topic. ×

1
now(directly, immediately, instantly)
1
now or never(expression, idiom, directly, instantly)
1
on the dot(expression, idiom, directly, immediately)
1
on the double(expression, idiom, adverb, directly, quickly)
1
on the spot(expression, idiom, directly, instantly)
1
posthaste(adverb, fast, quickly, speedily)
1
presto(quickly, speedily)
1
quick(adverb, fast, quickly, speedily)
1
right away(expression, directly, immediately, instantly)
1
right now(expression, directly, immediately, instantly)
1
shortly(directly, immediately, instantly, forthwith)
1
soon afterward(expression, directly, immediately, instantly)
1
speedily(adverb, directly, immediately, quickly)
1
straight away(expression, directly, immediately, instantly)
1
straight off(expression, directly, immediately, instantly)
1
summarily(directly, immediately, instantly)
1
swift(quickly, speedily)
1
thereupon(directly, immediately, instantly)
1
this instant(expression, directly, immediately, instantly)
1
this minute(expression, directly, immediately, 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>