phenibut

P3H4E1N1I1B3U1T1
US/ˈfɛnɪbjuːt/

noun

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

Scrabble 15
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Meanings

nounphenibut (uncountable)
  1. uncountablerecreational drugsβ-phenyl-GABA, a gabapentinoid drug similar to baclofen and gabapentin, often legally sold online and taken orally for its euphoric effects.

Origin

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

Full word history & related roots →
Cite this entry
APA

phenibut. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/phenibut

MLA

“phenibut.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/phenibut. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “phenibut,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/phenibut.

Source: phenibut on Wiktionary, CC BY-SA 4.0.