#1
hallucination n. illusory perception; a common symptom of severe mental disorder
. wn #2
hallucination n. [
delusion] a mistaken or unfounded opinion or idea; "he has delusions of competence"; "his dreams of vast wealth are a hallucination"
. wn #3
hallucination n. an object perceived during a hallucinatory episode; "he refused to believe that the angel was a hallucination"
. wn