# hallucinogenic

/həˌɫusənəˈdʒɛnɪk/ (US) · /hɐlˌuːsɪnəʊdʒˈɛnɪk/ (UK) · CEFR C1 · Adjective

Source: https://englishreference.com/word/hallucinogenic
Updated: 2026-10-18

## Definition

causing you to see, hear, or feel things that are not really there, usually because of a drug.

For teachers: producing hallucinations or major changes in sensory perception, usually through chemical effects on the nervous system. Commonly applied to drugs such as LSD, psilocybin, or mescaline.

## Examples

- Some mushrooms contain hallucinogenic chemicals.
- The doctor warns patients that the new pain drug has hallucinogenic side effects.
- Researchers study hallucinogenic compounds in controlled trials to explore potential treatments for depression and trauma.

## Usage notes

- Typically placed before the noun it modifies, as in 'hallucinogenic drugs'.

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