5
right(adverb, straight, immediately, precisely, punctually)
5
right off(verb, expression, adverb, phrasal verb, directly)
5
straight off(verb, expression, adverb, phrasal verb, directly)
5
timely(adverb, time, early, opportunely, seasonably)
5
unhesitatingly
4
agilely
4
cursorily
4
fleetly(adverb, quick, early, quickly, rapidly)
4
in a jiffy(noun, expression, idiom, adverb, directly)
4
in a wink(noun, adverb)
4
momentarily
4
nimbly
4
on the spot(expression, idiom, directly, immediately, rapidly)
4
on time(expression, idiom, adverb, early, precisely)
4
right now(expression, idiom, adverb, now, directly)
4
swift(quickly, rapidly, speedily)
4
tear off
3
absence of difficulty
3
at speed(adverb, fast, quickly, rapidly, pronto)
3
away(adverb, now, directly, immediately, rapidly)
10 years ago|10k views|share |citing 
APASmart Define. (2016). promptly thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/promptly/thesaurus/synonyms
ChicagoSmart Define. 2016. "promptly thesaurus" https://smartdefine.org/promptly/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, promptly thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/promptly/thesaurus/synonyms>.
MLASmart Define. "promptly thesaurus" 21 March 2016. Web. 24 September 2026. <https://smartdefine.org/promptly/thesaurus/synonyms>