Viagra

American

[vahy-ag-ruh] / vaɪˈæg rə /

Pharmacology, Trademark.

a brand of sildenafil citrate, used to treat impotence.

Viagra British

/ viː-, vaɪˈæɡrə /

noun

a drug, sildenafil, that allows increased blood flow into the penis; used to treat erectile dysfunction in men

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Saynor draws a parallel between obesity drugs and Viagra, saying they behave more like a consumer product than a pure pharma product.

From The Wall Street Journal • May 8, 2026

The discovery began with an unexpected laboratory result, similar to many famous scientific breakthroughs including X-rays, penicillin, Viagra and modern weight loss medications.

From Science Daily • Mar. 14, 2026

Two large studies based on health-insurance databases found that those who took Viagra had a lower risk of developing Alzheimer’s.

From MarketWatch • Mar. 7, 2026

Many studies have found that mifepristone is as safe as ibuprofen and safer than Viagra.

From Salon • Feb. 9, 2026

Hims & Hers, the high-flying telehealth company that rapidly ascended from a buzzy startup selling Viagra to a multibillion-dollar business with a Super Bowl ad, had a hard week.

From Los Angeles Times • Jun. 28, 2025

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023