# Viagra

> English word · Proper noun · IPA /vaɪˈæɡɹə/ · frequency rank #21,406

## Definitions
1. A brand name of the drug sildenafil citrate, used to treat erectile dysfunction.

## Etymology
Marketing name, perhaps from Sanskrit व्याघ्र (vyāghrá, “tiger”), or perhaps based on words such as vigour, virility, victory and Niagara.

## Common misspellings (8)
`ivagra`, `vaigra`, `viagar`, `viaggra`, `viagrra`, `viarga`, `vigara`, `vviagra`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/viagra