39 entries under noun topic. ×

33
immediately(adjective, adverb, quick, first)
23
instantly(adverb, early, now, directly)
22
without delay(expression, idiom, adverb, directly)
21
directly(adverb, fast, quickly, rapidly)
20
at once(expression, idiom, adverb, now)
18
right away(verb, expression, adverb, phrasal verb)
13
straight away(verb, expression, adverb, phrasal verb)
5
in no time(expression, idiom, first, directly)
4
in a jiffy(expression, idiom, adverb, directly)
4
in a wink
2
in a trice
2
once
2
post-haste
1
area
1
bout
1
breadth
1
extent
1
fleet
1
hair
1
meal
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APASmart Define. (2016). promptly thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/promptly/thesaurus/synonyms
ChicagoSmart Define. 2016. "promptly thesaurus" https://smartdefine.org/promptly/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, promptly thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/promptly/thesaurus/synonyms>.
MLASmart Define. "promptly thesaurus" 21 March 2016. Web. 27 September 2026. <https://smartdefine.org/promptly/thesaurus/synonyms>