Definition of tireless
: seemingly incapable of tiring : indefatigable a tireless worker
Examples of tireless in a sentence
She has been a tireless advocate for reform.
a tireless advocate for human rights
First Known Use of tireless
TIRELESS Defined for English Language Learners
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
Definition of tireless for Students
: able to work or persist a long time without becoming tired
Seen and Heard
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