# tireless vs tirelessly

> English confusable word pair

## The two words

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

### tirelessly
*adverb · frequency rank #26,282*
In a tireless manner; without tiring, flagging, or ceasing.

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