|1.||[ noun ] (psychology,psychiatry) illusory perception; a common symptom of severe mental disorder|
|Related terms:||delusion acousma pink_elephants pseudohallucination trip acousma chromatism visual_hallucination hallucinate|
|2.||[ noun ] an object perceived during a hallucinatory episode|
"he refused to believe that the angel was a hallucination"
|Related terms:||object hallucinate|
|3.||[ noun ] a mistaken or unfounded opinion or idea|
"he has delusions of competence" "his dreams of vast wealth are a hallucination"
|Related terms:||misconception disorientation hallucinate|