hallucination (n.)

"a seeing or hearing something which is not there," 1640s, from Latin hallucinationem (nominative hallucinatio), earlier alucinatio, noun of action from past-participle stem of alucinari (see hallucinate). Related: Hallucinations.

Entries linking to hallucination

hallucinate (v.)

"to have illusions," 1650s, from Latin alucinatus (later hallucinatus), past participle of alucinari "wander (in the mind), dream; talk unreasonably, ramble in thought," probably from Greek alyein, Attic halyein "wander in mind, be at a loss, be beside oneself (with grief, joy, perplexity), be distraught," also "wander about," which probably is related to alaomai "wander about" [Barnhart, Klein]. The Latin ending probably was influenced by vaticinari "to prophecy," also "to rave." Older in English in a rare and now obsolete transitive sense "deceive" (c. 1600); occasionally used 19c. in transitive sense "to cause hallucination." Related: Hallucinated; hallucinating.

hallucinogen (n.)

"drug which induces hallucinations," 1954, from stem of hallucination + -gen.

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Definitions of hallucination

hallucination (n.)

illusory perception; a common symptom of severe mental disorder;

hallucination (n.)

a mistaken or unfounded opinion or idea;

his dreams of vast wealth are a hallucination

Synonyms: delusion

hallucination (n.)

an object perceived during a hallucinatory episode;

he refused to believe that the angel was a hallucination

From wordnet.princeton.edu

Dictionary entries near hallucination

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