4
lickety-split
4
not quite yet(expression, idiom)
4
on the double(expression, idiom, adverb, now, directly)
4
premature(adjective, earlier, untimeliness)
4
straight away(verb, expression, phrasal verb, directly, immediately)
4
within the hour(expression, idiom)
3
apace(adverb, quickly, rapidly, speedily)
3
briefly(adverb, transientness)
3
eventually
3
in due time(expression, idiom, adverb, swiftly, snappily)
3
in good time(expression, adjective, idiom, adverb, quick)
3
momentarily
3
oversoon(adjective, adverb, quick, improper, inappropriate)
3
presto(first, directly, immediately, quickly, rapidly)
3
previous
3
sometime
3
time
3
today
3
too soon(expression, adjective, idiom, adverb, quick)
3
tout de suite(expression, idiom, directly, immediately, rapidly)
11 years ago|8.4k views|share |citing 
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>