hallucinate

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. verb perceive what is not there; have illusions

Etymology

First attested in 1604; borrowed from Latin hallūcinātus, alternative form of alūcinātus, perfect active participle of alucinor (“to dream”); see -ate (verb-forming suffix).

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