# strenuous

> English word · Adjective · IPA /ˈstɹɛ.nju.əs/ · frequency rank #24,920

## Definitions
1. Having great vigour or energy; forceful.
2. Requiring great exertion; very laborious.

## Etymology
From Latin strenuus (“quick”).

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

## Common misspellings (13)
`srtenuous`, `sstrenuous`, `sternuous`, `strennuous`, `strenouus`, `strenuosu`, `strenuouss`, `strenuuos`, `streunous`, `strneuous`, `strrenuous`, `sttrenuous`, `tsrenuous`

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