'hallucinogen' definitions:

Definition of 'hallucinogen'

From: WordNet
noun
A psychoactive drug that induces hallucinations or altered sensory experiences [syn: hallucinogen, hallucinogenic drug, psychedelic drug, psychodelic drug]

Definition of 'hallucinogen'

From: GCIDE
  • hallucinogen \hal*lu"ci*no*gen\ n. A substance capable of producing hallucinations when ingested; a hallucinogenic substance; as, LSD is a powerful hallucinogen. [WordNet 1.5]

Synonyms of 'hallucinogen'

From: Moby Thesaurus

Words containing 'hallucinogen'