Guanfacine

//ˈɡwɑn.fəˌsin// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A drug that is an alpha-adrenergic agonist taken orally in the form of its hydrochloride C₉H₉Cl₂N₃O·HCl especially to treat hypertension and attention deficit disorder. It is marketed under the trademarks Intuniv and Tenex. uncountable

Etymology

Probably from guan- (“guanidine derivative”) + ph(enyl)ac(etyl) + -ine.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.