1. [ noun ] (psychology,psychiatry) an erroneous belief that is held in the face of evidence to the contrary
Synonyms: psychotic_belief
Related terms: psychological_state hallucination nihilism delusions_of_persecution somatic_delusion zoanthropy delusions_of_grandeur psychology
2. [ noun ] the act of deluding; deception by creating illusory ideas
Synonyms: illusion head_game
Related terms: deception deceive
3. [ noun ] a mistaken or unfounded opinion or idea
Synonyms: hallucination

"he has delusions of competence" "his dreams of vast wealth are a hallucination"

Related terms: misconception disorientation hallucinate
Similar spelling:   delusional