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hallucination

noun | /hallucination/

Advanced WordsHARD

perception of objects or events with no reality, often arising from mental disorder or drugs

Learning Progress

Synonyms

delusionillusionphantasmvisionfantasy

Antonyms

realityveritytruthfact

Examples

"He described vivid hallucinations during the high fever."

"Certain medications can cause visual hallucinations as a side effect."

Mnemonic Trick

HALLUCINATION → HALL + LUCID (false sight) — false sensory perception.

Etymology

From Latin hallucinare “to wander in mind.”

Used for sensory experiences without external stimuli.

Source: Advanced WordsAdded: 9/28/2025

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