# dangerous

> English word · Adjective · IPA /ˈdeɪn.ʒ(ə.)ɹəs/ · frequency rank #1,690

## Definitions
1. Full of danger.
2. Causing danger; ready to do harm or injury.
3. In a condition of danger, as from illness; threatened with death.

## Etymology
From Middle English dangerous (“difficult, severe, domineering, arrogant, fraught with danger”), daungerous, from Anglo-Norman [Term?], from Old French dangereus (“threatening, difficult”), from dangier. Equivalent to danger + -ous.
Displaced native Old English frēcne.

## Easily confused with
- **dangers** (https://plainspell.com/en/vs/dangerous-vs-dangers)
- **dangerously** (https://plainspell.com/en/vs/dangerous-vs-dangerously)

## Common misspellings (13)
`adngerous`, `dagnerous`, `danegrous`, `dangeorus`, `dangerosu`, `dangerouss`, `dangerrous`, `dangeruos`, `danggerous`, `dangreous`, `danngerous`, `ddangerous`, `dnagerous`

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