# uai

> Portuguese word · Interjection · frequency rank #37,566

## Definitions
1. expressa surpresa, espanto ou suscita dúvida
2. expressa confirmação

## Easily confused with
- **um** (https://plainspell.com/pt/vs/uai-vs-um)
- **us** (https://plainspell.com/pt/vs/uai-vs-us)
- **uh** (https://plainspell.com/pt/vs/uai-vs-uh)
- **ui** (https://plainspell.com/pt/vs/uai-vs-ui)
- **ur** (https://plainspell.com/pt/vs/uai-vs-ur)
- **ut** (https://plainspell.com/pt/vs/uai-vs-ut)
- **uma** (https://plainspell.com/pt/vs/uai-vs-uma)
- **uns** (https://plainspell.com/pt/vs/uai-vs-uns)
- **usa** (https://plainspell.com/pt/vs/uai-vs-usa)
- **use** (https://plainspell.com/pt/vs/uai-vs-use)
- **uva** (https://plainspell.com/pt/vs/uai-vs-uva)
- **uno** (https://plainspell.com/pt/vs/uai-vs-uno)
- **UTI** (https://plainspell.com/pt/vs/uai-vs-uti)
- **uni** (https://plainspell.com/pt/vs/uai-vs-uni)
- **UPA** (https://plainspell.com/pt/vs/uai-vs-upa)
- **und** (https://plainspell.com/pt/vs/uai-vs-und)
- **UBS** (https://plainspell.com/pt/vs/uai-vs-ubs)
- **usar** (https://plainspell.com/pt/vs/uai-vs-usar)
- **útil** (https://plainspell.com/pt/vs/uai-vs-util)
- **unir** (https://plainspell.com/pt/vs/uai-vs-unir)

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