Standard Lemma guide

phenibut

noun · 1 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.

  • General-American: /ˈfɛnɪbjuːt/

1

noun

Meaning 1

β-phenyl-GABA, a gabapentinoid drug similar to baclofen and gabapentin, often legally sold online and taken orally for its euphoric effects.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Qualifier: recreational drugs

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From phen(yl) + -i- + but(yric acid).