adjective tire·less \ˈtī(-ə)r-ləs\

: working very hard with a lot of energy for a long time : never seeming to get tired

Full Definition of TIRELESS

:  seemingly incapable of tiring :  indefatigable <a tireless worker>
tire·less·ly adverb
tire·less·ness noun

Examples of TIRELESS

  1. She has been a tireless advocate for reform.
  2. <a tireless advocate for human rights>

First Known Use of TIRELESS


Rhymes with TIRELESS

TIRELESSNESS Defined for Kids


adjective tire·less \ˈtīr-ləs\

Definition of TIRELESS for Kids

:  able to work or persist a long time without becoming tired
tire·less·ly adverb


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