Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb frighten
2 senses of frighten
Sense 1
frighten, fright, scare, affright -- (cause fear in; "The stranger who hangs around the building frightens me"; "Ghosts could never affright her")
=> stimulate, shake, shake up, excite, stir -- (stir the feelings, emotions, or peace of; "These stories shook the community"; "the civil war shook the country")
Phrasal Verb-> frighten off#1; frighten away#1
Sense 2
frighten -- (drive out by frightening)
=> chase away, drive out, turn back, drive away, dispel, drive off, run off -- (force to go away; used both with concrete and metaphoric meanings; "Drive away potential burglars"; "drive away bad thoughts"; "dispel doubts"; "The supermarket had to turn back many disappointed customers")