tireless

play

adjective tire·less \ ˈtī(-ə)r-ləs \

Definition of tireless

:seemingly incapable of tiring :indefatigable

a tireless worker

—

tirelessly

adverb

—

tirelessness

noun

See tireless defined for English-language learners

See tireless defined for kids

Examples of tireless in a Sentence

She has been a tireless advocate for reform.
a tireless advocate for human rights

Recent Examples of tireless from the Web

The tireless fans at Tokusatsu Network have provided a quick translation of the film's premise, which reinvents the Godzilla mythos just as much as Shin Godzilla did last year.

— annalee newitz, Ars Technica, "New Godzilla movie promises a radically different direction for the original kaiju," 22 Aug. 2017
The Indians are only the latest team to show how important a good bullpen can be in the playoffs, but not everybody has a tireless star like Miller.

— noah trister, The Seattle Times, "Bullpens looming large again for this year’s postseason," 21 Aug. 2017
Deb Blue of Glencoe was a passionate bicyclist, a hardworking executive at Walgreens, a tireless volunteer with Komen Chicago, board member for Y-Me Illinois, and an Imerman Angel.

— sara burrows, chicagotribune.com, "Komen 'Ride for the Cure' honors North Shore cyclist," 10 Aug. 2017
Following in the footsteps of tireless workers like former NBA star Allen is how Fultz will learn how to become a professional.

— keith pompey, Philly.com, "Sixers Fultz's next step is perfecting craft," 15 July 2017
The bill cuts taxes, restrains spending, and — courtesy of the tireless efforts of Senators Ted Cruz and Mike Lee — modestly deregulates.

— the editors, National Review, "The Senate Health-Care Bill Is a Step in the Right Direction," 14 July 2017
The tireless apprentice may soon become a full-fledged colleague.

— tim appenzeller, Science | AAAS, "The AI revolution in science," 7 July 2017
Harry, who is on a two-day visit to Leeds, has been patron of WellChild since 2007 and helps host the annual awards set up by the charity to honor the tireless work carried out on behalf of children.

— simon perry, PEOPLE.com, "Prince Harry’s Sweet House Call Brightens the Day of a Seriously Ill 5-Year-Old Boy," 7 July 2017
A new film, Happy Birthday, Marsha! is the tireless product of Reina Gossett and Sasha Wortzel who both wrote, directed, and produced the film, which follows Johnson on the night of the Stonewall riots.

— prince shakur, Teen Vogue, "LGBTQ Icons You Need to Know — And How to Find More," 27 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tireless.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.