# árduo

> Portuguese word · Adjective · IPA /ˈaɾ.dwu/ · frequency rank #22,504

## Definitions
1. de difícil acesso
2. trabalhoso

## Easily confused with
- **aro** (https://plainspell.com/pt/vs/arduo-vs-aro)
- **audio** (https://plainspell.com/pt/vs/arduo-vs-audio)
- **árido** (https://plainspell.com/pt/vs/arduo-vs-arido)
- **arrumo** (https://plainspell.com/pt/vs/arduo-vs-arrumo)
- **ado** (https://plainspell.com/pt/vs/ado-vs-arduo)
- **arco** (https://plainspell.com/pt/vs/arco-vs-arduo)
- **arão** (https://plainspell.com/pt/vs/arao-vs-arduo)
- **arder** (https://plainspell.com/pt/vs/arder-vs-arduo)
- **ardor** (https://plainspell.com/pt/vs/ardor-vs-arduo)
- **adubo** (https://plainspell.com/pt/vs/adubo-vs-arduo)
- **arado** (https://plainspell.com/pt/vs/arado-vs-arduo)

## Common misspellings (6)
`ráduo`, `ádruo`, `árdduo`, `árdou`, `árrduo`, `árudo`

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