Standard Lemma guide

methylenedioxymethamphetamine

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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  • /ˈmɛ.θɪ.liːn.daɪ̯ˈɔk.siˈmɛ.θɪmˈfɛ.tɪ.min/

1

noun

Meaning 1

A synthetic drug that affects brain chemicals involved in mood, energy, and social connection, often producing feelings of euphoria, emotional warmth, and increased empathy.

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: none provided

Antonyms: none provided

2

noun

Meaning 2

a stimulant drug that is chemically related to mescaline and amphetamine and is used illicitly for its euphoric and hallucinogenic effects; it was formerly used in psychotherapy but in 1985 it was declared illegal in the United States

Definition source: Princeton WordNet 3.0

Examples

  • MDMA is often used at parties because it enables partygoers to remain active for long periods of time

Meaning relationships

Synonyms: MDMA

Antonyms: none provided

Broader terms: club drug

Narrower terms: Adam, ecstasy, XTC, go, disco biscuit, cristal, X, hug drug

History

Etymology

From methylenedioxy + methamphetamine.