11
disconcert(verb, upset, bother, disturb, worry)
10
threaten(verb, force, bother, torment, compel)
10
astound(verb, upset, bother, worry, provoke)
9
affright(verb, scare, shock, disturb, agitate)
9
appal(verb, adjective, upset, shock, horrify)
9
disquiet(verb, upset, trouble, attack, bother)
9
fright(noun, verb, phrasal verb, shock, agitate)
9
perturb(verb, upset, attack, bother, worry)
9
upset(verb, attack, bother, disturb, worry)
8
shake(verb, stop, upset, check, bother)
7
bulldoze(verb, upset, worry, shock, fear)
7
deter(verb, stop, upset, check, worry)
7
menace(noun, verb, approach, torment, appear)
7
overawe(verb, confuse, subdue, depress, discourage)
7
spook(verb, upset, bother, annoy, shock)
7
warn(verb, stop, check, oppose, restrain)
6
bully(noun, verb, force, bother, confuse)
6
chill(noun, verb, stop, upset, check)
6
distress(noun, verb, upset, bother, disturb)
6
faze(verb, upset, bother, disturb, worry)
11 years ago|9.7k views|share |citing 
APASmart Define. (2015). frighten thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/frighten/thesaurus/synonyms
ChicagoSmart Define. 2015. "frighten thesaurus" https://smartdefine.org/frighten/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, frighten thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/frighten/thesaurus/synonyms>.
MLASmart Define. "frighten thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/frighten/thesaurus/synonyms>