2
nonplus(verb, shock, confuse, shake, confound)
2
offset
2
originate
2
outrage(verb, upset, bother, disturb, provoke)
2
outset
2
overcome(verb, upset, disturb, shock, agitate)
2
rock(verb, upset, disturb, push, shock)
2
rouse(verb, upset, bother, disturb, encourage)
2
saltation(noun, verb)
2
scarify(verb, worry, fear, fill, scare)
2
signal(verb, alarm)
2
skedaddle(rush, dash, bound)
2
skip(rush, dash, jump, bound, leap)
2
sound the alarm(expression, idiom)
2
stampede(scare, become, freak)
2
starting
2
startling
2
unman
2
warn
1
catch unawares(verb, expression, idiom, take)
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APASmart Define. (2016). startle thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/startle/thesaurus/synonyms
ChicagoSmart Define. 2016. "startle thesaurus" https://smartdefine.org/startle/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, startle thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/startle/thesaurus/synonyms>.
MLASmart Define. "startle thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/startle/thesaurus/synonyms>