freak out

1. A wild delusion (especially one induced by a hallucinogenic drug) (synset 105907037)
   is a type of: delusion, hallucination - a mistaken or unfounded opinion or idea
   same as: disorientation

1. Lose one's nerve (synset 201787967)
   "When he saw the accident, he freaked out"
   is a type of: panic - be overcome by a sudden fear
   same as: freak, gross out

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