2
premature(adjective, earlier)
2
unanticipated(adjective, adverb, quick, immediate, beforehand)
2
untimely(adjective, inappropriate)
2
with time to spare(expression, idiom, quick, directly, immediately)
1
a bit previous
1
beforehand
1
betimes
1
briefly
1
by and by(expression, idiom, soon, unanticipated, swiftly)
1
directly
1
forward
1
half-baked
1
half-cocked
1
hastily
1
hasty
1
ill-advised
1
ill-considered
1
immature(quick, immediate, proximately, beforehand, prematurely)
1
impulsive
1
impulsively
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APASmart Define. (2015). oversoon thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/oversoon/thesaurus/synonyms
ChicagoSmart Define. 2015. "oversoon thesaurus" https://smartdefine.org/oversoon/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, oversoon thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/oversoon/thesaurus/synonyms>.
MLASmart Define. "oversoon thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/oversoon/thesaurus/synonyms>