tireless

adjective

tire·less | \ ˈtī(-ə)r-ləs

How to pronounce tireless (audio)

\

Definition of tireless

: seemingly incapable of tiring : indefatigable a tireless worker

Other Words from tireless Synonyms More Example Sentences Learn More about tireless

Keep scrolling for more

Examples of tireless in a Sentence

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

Recent Examples on the Web This is due to the tireless work of our friends at @PHLRealJustice. — refinery29.com, "Frank Rizzo’s Statue Was An Ode To White Supremacy — & It Never Should Have Existed," 3 June 2020 Rush Limbaugh: Thank you for your decades of tireless devotion to our country. — Sanya Mansoor, Time, "Read the Full Transcript of President Trump's 2020 State of the Union Address," 5 Feb. 2020 The unusual moment came days after Limbaugh, 69, announced he had been diagnosed with late-stage lung cancer. ‘‘Rush Limbaugh, thank you for your decades of tireless devotion to our country,’’ Trump said. — BostonGlobe.com, "With presidential medal, Rush Limbaugh joins the likes of Mother Teresa," 5 Feb. 2020 Kobe is being remembered as a tireless advocate for girls in sports. — NBC News, "MJ remembers his 'little brother'," 25 Feb. 2020 Biliew, who picked up a college basketball offer from Iowa before entering high school, is a dynamic athlete and tireless defender. — Richard Obert, azcentral, "Top 2023 basketball prospect Omaha Biliew transfers to Hillcrest Prep in Gilbert," 2 May 2020 This pairing of short films sheds light on the tireless work of caregivers tasked with providing comfort and care to patients with incurable conditions. — Freep.com, "Watch ‘Palliative’ and ‘Today Was a Good Day’ at virtual Freep Film Festival," 20 Apr. 2020 To honor public health workers and researchers in the scientific community for their tireless work on the frontlines of the coronavirus pandemic, Google's landing page looks a bit different today. — Anabel Pasarow, refinery29.com, "Today’s Goodle Doodle Thanks Public Health Workers," 6 Apr. 2020 After his retirement, his tireless work in the community impacted thousands of young people in Houston. — Kristie Rieken, BostonGlobe.com, "Former Astros star Jimmy ‘The Toy Cannon’ Wynn dies at 78," 27 Mar. 2020

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.

Keep scrolling for more

Learn More about tireless

Dictionary Entries near tireless

Statistics for tireless

Cite this Entry

“Tireless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tireless. Accessed 19 Apr. 2021.

Style: MLA

MLA

Chicago

APA

Merriam-Webster Check Mark Icon

Keep scrolling for more

More Definitions for tireless

tireless

adjective

English Language Learners Definition of tireless

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

See the full definition for tireless in the English Language Learners Dictionary

tireless

adjective

tire·less | \ ˈtīr-ləs

\

Kids Definition of tireless

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

Keep scrolling for more

WORD OF THE DAY

chlamys

Listen to the pronunciation of chlamys

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

Name that Thing: Flower Edition

Name that flower

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ

Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ