# vírus

> Portuguese word · Noun · IPA /ˈvi.ɾuʃ/ · frequency rank #2,346

## Definitions
1. agente infeccioso microscópico, que causa várias doenças (AIDS, gripe, etc.) e provoca a produção de anticorpos
2. programa oculto de computador que se instala no sistema operacional da máquina, ativando-se num determinado dia para provocar danos em arquivos, outros programas, etc
3. coisa que se reproduza de forma viral, como ideias

## Easily confused with
- **viu** (https://plainspell.com/pt/vs/virus-vs-viu)
- **Vis** (https://plainspell.com/pt/vs/virus-vs-vis)
- **vous** (https://plainspell.com/pt/vs/virus-vs-vous)
- **vir** (https://plainspell.com/pt/vs/vir-vs-virus)
- **viés** (https://plainspell.com/pt/vs/vies-vs-virus)
- **viro** (https://plainspell.com/pt/vs/viro-vs-virus)
- **virar** (https://plainspell.com/pt/vs/virar-vs-virus)
- **viral** (https://plainspell.com/pt/vs/viral-vs-virus)
- **verás** (https://plainspell.com/pt/vs/veras-vs-virus)
- **viril** (https://plainspell.com/pt/vs/viril-vs-virus)
- **Vénus** (https://plainspell.com/pt/vs/venus-vs-virus)
- **versus** (https://plainspell.com/pt/vs/versus-vs-virus)
- **virose** (https://plainspell.com/pt/vs/virose-vs-virus)

## Common misspellings (7)
`vríus`, `vvírus`, `vírrus`, `vírsu`, `víruss`, `víurs`, `ívrus`

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