5
alert(verb, alarm)
5
demoralize(verb, upset, worry, shock, confuse)
5
discompose(verb, upset, attack, bother, disturb)
5
dishearten(verb, upset, bother, disturb, worry)
5
rattle(verb, upset, bother, disturb, worry)
5
stun(verb, stimulate, shock, stir, spur)
4
curdle the blood(verb, expression, idiom, upset, worry)
4
discomfit(verb, upset, trouble, bother, disturb)
4
jolt(verb, stimulate, spur, rouse, startle)
4
repel(verb, upset, worry, shock, agitate)
4
scare stiff(verb, expression, upset, shock, dismay)
4
surprise(verb, upset, shock, agitate, alarm)
4
unsettle(verb, upset, bother, disturb, worry)
3
amaze(verb, upset, bother, provoke, excite)
3
astonish(verb, upset, stimulate, shock, stir)
3
bowl over(verb, expression, upset, alarm, scare)
3
dash(verb, confuse, depress, discourage, alarm)
3
discomfort(verb, upset, worry, shock, agitate)
3
disorder
3
harass(verb, upset, trouble, attack, bother)
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APASmart Define. (2015). frighten thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/frighten/thesaurus/synonyms
ChicagoSmart Define. 2015. "frighten thesaurus" https://smartdefine.org/frighten/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, frighten thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/frighten/thesaurus/synonyms>.
MLASmart Define. "frighten thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/frighten/thesaurus/synonyms>