13 entries under immediate topic. ×

4
soon(quick, improper, inappropriate, unfortunate)
2
before appointed time(expression, adjective, adverb, quick)
2
matinal(adjective, adverb, quick, unanticipated)
2
on short notice(expression, idiom, quick, unanticipated)
2
on the dot(expression, idiom, quick, unanticipated)
2
overearly(adjective, adverb, quick, improper)
2
preexistent(adjective, adverb, quick, unanticipated)
2
unanticipated(adjective, adverb, quick, beforehand)
1
immature(quick, proximately, beforehand, prematurely)
1
pronto(prompt, quick, timely, directly)
1
proximately(prompt, quick, early, timely)
1
quick(prompt, timely, directly, immediately)
1
seasonable(quick, proximately, beforehand, prematurely)
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APASmart Define. (2015). oversoon thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/oversoon/thesaurus/synonyms
ChicagoSmart Define. 2015. "oversoon thesaurus" https://smartdefine.org/oversoon/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, oversoon thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/oversoon/thesaurus/synonyms>.
MLASmart Define. "oversoon thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/oversoon/thesaurus/synonyms>