Dictionary
tireless
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
See tireless defined for English-language learners
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First Known Use of TIRELESS
1591
Related to TIRELESS
- Synonyms
- indefatigable, inexhaustible, unflagging, untiring, weariless
TIRELESSLY Defined for Kids
tireless
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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