Synonyms: freak, freak out, gross out
Definition: lose one's nerve
Usage: When he saw the accident, he freaked out
Similar words: panic
Definition: be overcome by a sudden fear
Usage: The students panicked when told that final exams were less than a week away
Synonyms: repel, revolt, gross out, disgust
Definition: fill with distaste
Usage: This spoilt food disgusts me
Similar words: stimulate, stir, excite
Definition: stir feelings in
Usage: stimulate my appetite; excite the audience; stir emotions