# onerous

> English word · Adjective · IPA /ˈɒnəɹəs/ · frequency rank #32,104

## Definitions
1. Imposing or constituting a physical, mental, or figurative load which can be borne only with effort; burdensome.

## Etymology
From Middle English onerous, from Middle French onereux, from Old French onereus, from Latin onerosus (“burdensome”), from onus (“load”). Compare exonerate.

## Common misspellings (9)
`noerous`, `oenrous`, `oneorus`, `onerosu`, `onerouss`, `onerrous`, `oneruos`, `onnerous`, `onreous`

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