3
double-quick(quick, rapidly, hastily, impulsively, rashly)
3
flat-out(quick, quickly, rapidly, hastily, speedily)
3
in a hurry(adverb, fast, quickly, rapidly, pronto)
3
in a rush(adverb, fast, quickly, rapidly, pronto)
3
in time(adverb, time, early, timely, opportunely)
3
like lighting(adverb, fast, quickly, rapidly, pronto)
3
p.d.q.
3
pdq(adverb, now, directly, immediately, rapidly)
3
precisely(adverb, punctually)
3
presently
3
presto(first, now, directly, immediately, quickly)
3
prompt(adjective, adverb, quick, timely, punctually)
3
seasonably(adverb, time, early, timely, opportunely)
3
straight
3
straightway
3
this instant(expression, idiom, adverb, directly, immediately)
3
timely manner(adverb, time, early, timely, opportunely)
3
tout de suite(expression, adverb, directly, immediately, rapidly)
2
anon(quick, now, directly, immediately, quickly)
2
anxiously(earnestly, heartily, readily, sincerely, enthusiastically)
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APASmart Define. (2016). promptly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/promptly/thesaurus/synonyms
ChicagoSmart Define. 2016. "promptly thesaurus" https://smartdefine.org/promptly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, promptly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/promptly/thesaurus/synonyms>.
MLASmart Define. "promptly thesaurus" 21 March 2016. Web. 23 September 2026. <https://smartdefine.org/promptly/thesaurus/synonyms>