# treasonous

> English word · Adjective · frequency rank #42,961

## Definitions
1. Like or in the way of treason.

## Etymology
From treason + -ous.

## Common misspellings (14)
`rteasonous`, `terasonous`, `traesonous`, `treaosnous`, `treasnoous`, `treasonnous`, `treasonosu`, `treasonouss`, `treasonuos`, `treasoonus`, `treassonous`, `tresaonous`, `trreasonous`, `ttreasonous`

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