# tiredness vs tireless

> English confusable word pair

## The two words

### tiredness
*noun · frequency rank #32,211*
The state of being tired.

### tireless
*adjective · frequency rank #27,678*
Indefatigable, untiring and not yielding to fatigue

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