Synonyms|273Antonyms|44|Broader|4Narrower|0Related|143

55 entries under rapidly topic. ×

5
on the spot(expression, idiom, adverb, directly, immediately)
5
right now(expression, idiom, adverb, directly, immediately)
4
fast(adjective, adverb, quickly, pronto)
4
like a shot(expression, idiom, adverb, fast, quickly)
4
tout de suite(expression, idiom, adverb, directly, immediately)
3
at speed(adverb, fast, quickly, pronto)
3
briskly(adverb, fast, quickly, pronto)
3
chop-chop(adverb, fast, quickly, pronto)
3
in a hurry(adverb, fast, quickly, pronto)
3
in a rush(adverb, fast, quickly, pronto)
3
like lighting(adverb, fast, quickly, pronto)
2
at short notice(expression, idiom, directly, immediately)
2
away(directly, immediately, instantly)
2
in nothing flat(expression, idiom, directly, immediately)
2
now(adverb, straight, directly, immediately)
2
on the dot(expression, idiom, directly, immediately)
2
straight off(verb, expression, adverb, phrasal verb, directly)
2
summarily(first, now, directly, immediately)
2
thereupon(first, now, directly, immediately)
2
this instant(expression, adverb, directly, immediately)
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APASmart Define. (2015). instantaneously thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/instantaneously/thesaurus/synonyms
ChicagoSmart Define. 2015. "instantaneously thesaurus" https://smartdefine.org/instantaneously/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, instantaneously thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/instantaneously/thesaurus/synonyms>.
MLASmart Define. "instantaneously thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/instantaneously/thesaurus/synonyms>