adj · noun · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
UK:/həˌluːsɪnəˈdʒɛnɪk/
US:/həˌlusɪnəˈd͡ʒɛnɪk/
US:/həˌlusənəˈd͡ʒɛnɪk/
Southern-England:Recorded audio is listed in the source snapshot.
rhymes with -ɛnɪk
CMU ARPABET:HH AH0 L UW2 S AH0 N AH0 JH EH1 N IH0 K
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
producing hallucinations
Definition source: English Wiktionary via Wiktextract
Examples
After eating some hallucinogenic mushrooms, he said he saw a lot of pretty colors.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
a substance that is a hallucinogen.
Definition source: English Wiktionary via Wiktextract
Examples
hallucinogenics are sometimes used in indigenous people's religious rites.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
adjective satellite
Meaning 3
capable of producing hallucinations
Definition source: Princeton WordNet 3.0
Examples
LSD is a powerful hallucinogenic drug
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Etymology tree English hallucination Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- Proto-Indo-European *ǵenh1- Proto-Indo-European *-os Proto-Indo-European *ǵénh1os Proto-Hellenic *génos Ancient Greek γένος (génos) Proto-Indo-European *-os Proto-Indo-European *-ēs Ancient Greek -ης (-ēs) Ancient Greek -γενής (-genḗs)lbor. French -gènebor. English -gen English hallucinogen Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English hallucinogenic From hallucinogen + -ic.
Across languages
Translations
26 source translations are retained for this English entry.