# UA

> English word · Noun · frequency rank #20,251

## Definitions
1. Initialism of unauthorized absence.
2. Initialism of unitary authority.
3. Initialism of user agent.

## Easily confused with
- **up** (https://plainspell.com/en/vs/ua-vs-up)
- **us** (https://plainspell.com/en/vs/ua-vs-us)
- **UK** (https://plainspell.com/en/vs/ua-vs-uk)
- **uh** (https://plainspell.com/en/vs/ua-vs-uh)
- **um** (https://plainspell.com/en/vs/ua-vs-um)
- **ur** (https://plainspell.com/en/vs/ua-vs-ur)
- **UC** (https://plainspell.com/en/vs/ua-vs-uc)
- **UT** (https://plainspell.com/en/vs/ua-vs-ut)
- **UV** (https://plainspell.com/en/vs/ua-vs-uv)
- **UI** (https://plainspell.com/en/vs/ua-vs-ui)
- **UW** (https://plainspell.com/en/vs/ua-vs-uw)
- **UD** (https://plainspell.com/en/vs/ua-vs-ud)
- **ug** (https://plainspell.com/en/vs/ua-vs-ug)
- **UB** (https://plainspell.com/en/vs/ua-vs-ub)
- **UO** (https://plainspell.com/en/vs/ua-vs-uo)
- **UU** (https://plainspell.com/en/vs/ua-vs-uu)
- **use** (https://plainspell.com/en/vs/ua-vs-use)
- **USA** (https://plainspell.com/en/vs/ua-vs-usa)
- **UPS** (https://plainspell.com/en/vs/ua-vs-ups)
- **ugh** (https://plainspell.com/en/vs/ua-vs-ugh)

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