Meaning & use

tireless

adjective·Academic

Never becoming tired, especially through continuous hard work or effort.

See it in a sentence

The volunteers were tireless in their search for the missing hiker.

Her tireless dedication to the project impressed the entire team.

A note on using this word

Usually used approvingly to describe sustained effort, unlike 'relentless', which can sound more negative.

Words with a similar meaning

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Words with an opposite meaning

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