# perilous

> English word · Adjective · IPA /ˈpɛɹ.ɪ.ləs/ · frequency rank #23,060

## Definitions
1. Dangerous, full of peril.

## Etymology
From Middle English perilous, from Old French perilleus, equivalent to peril + -ous, from the noun peril, or from Latin perīculōsus. Doublet of periculous.

## Easily confused with
- **perils** (https://plainspell.com/en/vs/perilous-vs-perils)

## Common misspellings (11)
`eprilous`, `peirlous`, `perillous`, `perilosu`, `perilouss`, `periluos`, `periolus`, `perlious`, `perrilous`, `pperilous`, `preilous`

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