Medical Definition of hallucinate
1: to affect with visions or imaginary perceptions <the patient is not hallucinated>
2: to perceive or experience as a hallucination <may hallucinate monsters or attackers—M. J. Horowitz>
: to have hallucinations
Seen and Heard
What made you want to look up hallucinate? Please tell us where you read or heard it (including the quote, if possible).