25
shortly(adjective, adverb, quick, directly, immediately)
21
anon(adverb, quickly, rapidly, later, earliness)
21
before long(expression, idiom, adverb, quickly, rapidly)
18
presently(adverb, time, quickly, rapidly, forthwith)
18
quickly(adjective, adverb, immediately, rapidly, swiftly)
16
promptly(adverb, time, quick, directly, immediately)
12
by and by(verb, expression, idiom, adverb, phrasal verb)
10
early(adjective, adverb, prompt, quick, unwarranted)
10
instantly(adverb, first, now, directly, immediately)
9
directly(adverb, quick, first, now, immediately)
9
pronto(adjective, adverb, quick, immediate, directly)
9
ere long(expression, adjective, idiom, adverb, quick)
9
hastily(adverb, quickly, rapidly, speedily, earliness)
9
immediately(adverb, quick, first, now, directly)
9
quick(adjective, adverb, prompt, immediate, directly)
8
speedily(adverb, directly, immediately, quickly, rapidly)
8
in a jiffy(expression, idiom, adverb, first, directly)
8
betimes(adverb, prompt, quick, first, timely)
8
in short order(expression, idiom, adverb, quickly, rapidly)
8
now(adverb, time, directly, immediately, rapidly)
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APASmart Define. (2015). soon thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/soon/thesaurus/synonyms
ChicagoSmart Define. 2015. "soon thesaurus" https://smartdefine.org/soon/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, soon thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/soon/thesaurus/synonyms>.
MLASmart Define. "soon thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/soon/thesaurus/synonyms>