53 entries under unexpected topic. ×

1
like mad(expression, summary, abrupt, rapid)
1
pronto(fast, quick, summary, abrupt, speedy)
1
quickened(adjective, quick, abrupt, rapid)
1
rushed(adjective, quick, summary, rapid, swift)
1
screaming(summary, abrupt, rapid, instant)
1
shaking a leg(expression, idiom, summary, abrupt)
1
short-lived(brief, summary, abrupt, rapid)
1
spanking(summary, abrupt, rapid, instant)
1
speedball(summary, abrupt, rapid, instant)
1
subito(adjective, abrupt, rapid, quickly)
1
unusual(adjective, quickly)
1
very fast(expression, summary, abrupt, rapid)
0
speeded(adjective, quickly)
<123>
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APASmart Define. (2016). sudden thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sudden/thesaurus/synonyms
ChicagoSmart Define. 2016. "sudden thesaurus" https://smartdefine.org/sudden/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, sudden thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sudden/thesaurus/synonyms>.
MLASmart Define. "sudden thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/sudden/thesaurus/synonyms>