37 entries under promptly topic. ×

61
instantly(noun, adverb, time, first, now)
37
at once(noun, expression, idiom, adverb, time)
32
without delay(noun, expression, idiom, adverb, first)
32
instantaneously(adverb, first, directly, quickly, haste)
29
directly(noun, adjective, adverb, conjunction, time)
24
right away(noun, verb, expression, adverb, phrasal verb)
23
quickly(adverb, straight, now, rapidly)
21
speedily(adverb, freely, directly, quickly, easily)
17
pronto(adverb, quick, now, directly, quickly)
8
summarily(adverb, delay, first, now, directly)
7
suddenly(adverb, directly, rapidly, instantly)
7
without hesitation(expression, adverb, straight, freely, easily)
6
shortly(adjective, adverb, quick, now, directly)
3
anon(adjective, adverb, quick, now, directly)
3
presto(first, now, directly, quickly, rapidly)
1
at the drop of a hat(expression, idiom, freely, easily)
1
betimes(prompt, quick, first, timely, now)
1
cheerfully(freely, easily)
1
eagerly(freely, easily)
1
first(adverb, now, directly, initially)
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APASmart Define. (2016). immediately thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/immediately/thesaurus/synonyms
ChicagoSmart Define. 2016. "immediately thesaurus" https://smartdefine.org/immediately/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, immediately thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/immediately/thesaurus/synonyms>.
MLASmart Define. "immediately thesaurus" 24 February 2016. Web. 25 September 2026. <https://smartdefine.org/immediately/thesaurus/synonyms>