14 entries under quickly topic. ×

55
immediately(noun, adverb, time, first, now)
20
directly(noun, adverb, time, first, now)
20
promptly(noun, adverb, early, now, directly)
20
instantaneously(adverb, first, directly, immediately)
15
forthwith(adverb, time, early, now, directly)
14
straightaway(adverb, time, first, now, directly)
13
speedily(adverb, early, directly, immediately)
10
straight off(verb, expression, adverb, phrasal verb, time)
10
instanter(adverb, now, directly, immediately)
10
pronto(adverb, early, now, directly, immediately)
6
rapidly(adverb, early, directly, immediately)
4
urgently(adverb, directly, immediately, rapidly)
1
anon(straight, now, directly, immediately)
1
shortly(straight, now, directly, immediately)
10 years ago|11k views|share |citing 
APASmart Define. (2016). instantly thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/instantly/thesaurus/synonyms
ChicagoSmart Define. 2016. "instantly thesaurus" https://smartdefine.org/instantly/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, instantly thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/instantly/thesaurus/synonyms>.
MLASmart Define. "instantly thesaurus" 24 February 2016. Web. 20 September 2026. <https://smartdefine.org/instantly/thesaurus/synonyms>