1
precipitate
1
precocious
1
previous
1
pronto(prompt, quick, timely, immediate, directly)
1
proximately(prompt, quick, early, timely, immediate)
1
quick(prompt, timely, immediate, directly, immediately)
1
rushed
1
seasonable(quick, immediate, proximately, beforehand, prematurely)
1
uncrystallized
1
unmatured
1
unpremeditated
1
unprepared
1
unripe
0
ahead
0
ahead of
0
antecedently
0
any minute now(expression, idiom, soon, swiftly, snappily)
0
at an advantage
0
at once(expression, soon, swiftly, proximately, snappily)
0
at the head
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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>