English

Definition of Viagra™ noun from the Oxford Advanced Learner's Dictionary

 

Viagra™

 noun
noun
BrE BrE//vaɪˈæɡrə//
 
; NAmE NAmE//vaɪˈæɡrə//
 
[uncountable]
 
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a drug used to treat impotence in men Word Origin 1990s: apparently a blend of virility (from French viril or Latin virilis, from vir ‘man’) and the name Niagara.