# laborious

> English word · Adjective · IPA /ləˈbɔːɹiəs/ · frequency rank #37,060

## Definitions
1. Requiring much physical effort; toilsome.
2. Mentally difficult; painstaking.
3. Industrious.

## Etymology
From Old French laborios, from Latin laboriosus. By surface analysis, labor + -ious

## Common misspellings (12)
`alborious`, `labborious`, `laboirous`, `laboriosu`, `laboriouss`, `laboriuos`, `laboroius`, `laborrious`, `labroious`, `laobrious`, `lbaorious`, `llaborious`

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