9
lickety-split(adverb, informal, fast)
9
posthaste(adjective, adverb, hot, fast, quick)
8
chop-chop(adverb, fast, quickly, rapidly)
8
now(adjective, adverb, directly, immediately, rapidly)
8
readily
7
hurriedly(adverb, fast, quickly, rapidly)
7
in haste(adverb, fast, quickly, rapidly)
7
instanter(adverb, now, directly, immediately, quickly)
7
tout de suite(expression, adjective, idiom, adverb, directly)
6
briskly(adverb, fast, quickly, rapidly)
6
in a jiffy(expression, idiom, adverb, hot, quick)
6
like a shot(idiom, adverb, fast, quickly, rapidly)
6
right now(expression, idiom, adverb, now, directly)
6
straight away(verb, expression, adverb, phrasal verb, directly)
6
straightaway(adverb, directly)
5
abruptly(adverb, fast, quickly, rapidly)
5
full tilt(expression, idiom, adverb, fast, quickly)
5
in a flash(expression, idiom, adverb, fast, directly)
5
in a hurry(expression, idiom, adverb, fast, quickly)
5
shortly(adverb, quick, now, directly, immediately)
11 years ago|5.4k views|share |citing 
APASmart Define. (2015). pronto thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/pronto/thesaurus/synonyms
ChicagoSmart Define. 2015. "pronto thesaurus" https://smartdefine.org/pronto/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, pronto thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/pronto/thesaurus/synonyms>.
MLASmart Define. "pronto thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/pronto/thesaurus/synonyms>