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GRE vocabulary

hallucinate

verbHigh-frequency wordMore H words

to perceive something that does not exist as a result of a disordered mental state or external influence

In a sentence

Hallucinate in a sentence

Here are example sentences showing hallucinate in a sentence.

Deprived of sleep for days, he began to hallucinate figures in the empty corridor.

Deprived of sleep for three days, the test subjects began to hallucinate voices and shifting shadows.

Synonyms
envisionimaginefantasizemisperceive
Antonyms

None listed.

Usage & nuance

Using “hallucinate” well

To hallucinate is to perceive something that is not actually present, owing to a disordered mental state or an external influence such as a drug. The perception feels real to the subject despite having no external source.

Common questions

Questions about “hallucinate

Hallucinate (verb) means to perceive something that does not exist as a result of a disordered mental state or external influence
Here is hallucinate used in an example sentence: "Deprived of sleep for days, he began to hallucinate figures in the empty corridor." Another example: "Deprived of sleep for three days, the test subjects began to hallucinate voices and shifting shadows."
Common synonyms for hallucinate include envision, imagine, fantasize, misperceive.
Its synonyms envision, imagine, and misperceive form its Sentence Equivalence cluster, with no standard antonym. The GRE may exploit the gap between imagining and the clinical sense of perceiving what is not there.
Yes. Hallucinate is a high-frequency GRE word, so it is worth prioritising as you build your vocabulary.

Learn words the way the GRE tests them.

Vocabulary sticks when you meet it in real sentences. Practise these words inside text completion and sentence equivalence questions.