tireless

play
adjective tire·less \ˈtī(-ə)r-ləs\

Definition of tireless

  1. :  seemingly incapable of tiring :  indefatigable a tireless worker

tirelessly

adverb

tirelessness

noun

Examples of tireless in a Sentence

  1. She has been a tireless advocate for reform.

  2. a tireless advocate for human rights

1591

First Known Use of tireless

1591


TIRELESS Defined for English Language Learners

tireless

play
adjective tire·less \ˈtī(-ə)r-ləs\

Definition of tireless for English Language Learners

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


TIRELESS Defined for Kids

tireless

play
adjective tire·less \ˈtīr-ləs\

Definition of tireless for Students

  1. :  able to work or persist a long time without becoming tired

tirelessly

adverb


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an exhausted condition

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