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 22, 2026, from https://smartdefine.org/soon/thesaurus/synonyms
ChicagoSmart Define. 2015. "soon thesaurus" https://smartdefine.org/soon/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, soon thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/soon/thesaurus/synonyms>.
MLASmart Define. "soon thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/soon/thesaurus/synonyms>