Phrase guide

lysergic acid diethylamide

noun · 2 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

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A powerful synthetic hallucinogen.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: LSD, acid, headlight, liquid sunshine, LSD-25, Lucy, lysergic acid diethylamide

Antonyms: none provided

2

noun

Meaning 2

a powerful hallucinogenic drug manufactured from lysergic acid

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: LSD

Antonyms: none provided

Broader terms: controlled substance, drug of abuse, street drug, hallucinogen, hallucinogenic drug, psychedelic drug, psychodelic drug

Narrower terms: acid, back breaker, battery-acid, dose, dot, Elvis, loony toons, Lucy in the sky with diamonds, pane, superman, window pane, Zen

History

Etymology

No etymology was provided for this word.

Across languages

Translations

16 source translations are retained for this English entry.

  • Chinese Mandarin: 麥角酸二乙醯胺 /麦角酸二乙醯胺 — a powerful hallucinogen
  • Czech: diethylamid kyseliny lysergové — a powerful hallucinogen
  • Estonian: lüsergiinhappe dietüülamiid — a powerful hallucinogen
  • Faroese: lysergsýra diethylamid — a powerful hallucinogen
  • French: diéthylamide de l'acide lysergique — a powerful hallucinogen
  • Galician: dietilamida do ácido lisérxico — a powerful hallucinogen
  • German: Lysergsäurediäthylamid — a powerful hallucinogen
  • German: Lysergsäurediethylamid — a powerful hallucinogen
  • German: Lysergsäure-diäthylamid — a powerful hallucinogen
  • German: Lysergsäure-diethylamid — a powerful hallucinogen
  • Greek: διαιθυλαμίδιο του λυσεργικού οξέος (diaithylamídio tou lysergikoú oxéos) — a powerful hallucinogen
  • Hungarian: lizergsav-dietilamid — a powerful hallucinogen
  • Polish: dietyloamid kwasu lizergowego — a powerful hallucinogen
  • Romanian: acidul lisergic dietilamida-25 — a powerful hallucinogen
  • Russian: ди́эти́лами́д лизерги́новой кислоты́ (díetílamíd lizergínovoj kislotý) — a powerful hallucinogen
  • Russian: тартра́т диэтилами́да лизерги́новой кислоты́ (tartrát dietilamída lizergínovoj kislotý) — a powerful hallucinogen