English Reference

Word

hallucinogenic

Phoneticshal·lu·cino·genic

US/həˌɫusənəˈdʒɛnɪk/

UK/hɐlˌuːsɪnəʊdʒˈɛnɪk/

Definition

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

adj. 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.”

Examples

simple

“Some mushrooms contain hallucinogenic chemicals.”

contextual

“The doctor warns patients that the new pain drug has hallucinogenic side effects.”

complex

“Researchers study hallucinogenic compounds in controlled trials to explore potential treatments for depression and trauma.”

Collocations

Common phrases and expressions where native English speakers use the word “hallucinogenic” in context.

Verb

01. consider hallucinogenic

“Many authorities consider psilocybin mushrooms hallucinogenic and illegal.”

verb + adj

02. find hallucinogenic

“Participants found the high dose unexpectedly hallucinogenic and disorienting.”

verb + adj

03. hallucinogenic alters

“The hallucinogenic alters brain activity linked to perception and mood.”

adj-as-noun + verb

04. hallucinogenic distorts

“The hallucinogenic distorts perception of time, sound and colour.”

adj-as-noun + verb

05. hallucinogenic induces

“The hallucinogenic induces vivid visual distortions within thirty minutes.”

adj-as-noun + verb

Noun

06. hallucinogenic compound

“The team isolated a novel hallucinogenic compound from the fungus.”

adj + noun

07. hallucinogenic drug

“He was arrested for possessing a powerful hallucinogenic drug.”

adj + noun

08. hallucinogenic effect

“The brew is known for its intense hallucinogenic effect.”

adj + noun

09. hallucinogenic mushroom

“They mistakenly picked a hallucinogenic mushroom while foraging.”

adj + noun

10. hallucinogenic property

“Scientists are studying the hallucinogenic property of this Amazonian vine.”

adj + noun

11. hallucinogenic substance

“The lab is testing a new hallucinogenic substance found at the festival.”

adj + noun

12. experience hallucinogenic effects

“Some users experience hallucinogenic effects lasting up to six hours.”

Usage

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

Real-World Examples

“Could hallucinogenic drugs become part of mainstream NHS care to treat depression?”
BBC News 29 Sept 2026
“University of California, Davis, researchers have stripped down LSD to the base features responsible for its hallucinogenic and therapeutic effects.”
Phys.org 7 Sept 2026
“Here's a novel idea for countering the painful side effects of chemotherapy: Beforehand, take the hallucinogenic drug found in magic mushrooms.”
Phys.org 5 Sept 2026
“His research focuses on documenting the methods used to induce altered states of consciousness across cultures—he conducts fieldwork in southern Africa, where he studies the shamanic use of hallucinogenic plants and fungi.”
Smithsonian Magazine 18 Aug 2026

Etymology

From hallucinogen + -ic.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Related words

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Occasional
Level
C1 · Advanced
Updated

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English Reference