tireless
adjective
tire·less
ˈtī(-ə)r-ləs 
: seemingly incapable of tiring : indefatigable
a tireless worker
tirelessly
adverb
tirelessness
noun
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
The fight for justice never ends as Benson and her squad provide a tireless voice for the voiceless.
—
Denise Petski, Deadline, 10 Oct. 2025
Ati Motors’ Mecha represents this pragmatic vision for the future of robotics, which is not a humanoid for exhibition but a capable, tireless system designed to work alongside humans in industrial settings.
—Kaif Shaikh, Interesting Engineering, 8 Oct. 2025
The tireless rocker embarked on a solo tour in the spring with his solo band, comprised of Brent Woods on lead guitar, Jason Walker on guitar and Brian Tichy on drums.
—Edward Segarra, USA Today, 8 Oct. 2025
Across five years of tireless activity, Taylor Swift has repeatedly envisioned herself in the shoes of doomed women in history and literature while coping with stress and public-relations disasters.
—Craig Jenkins, Vulture, 3 Oct. 2025
See All Example Sentences for tireless
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Denise Petski, Deadline, 10 Oct. 2025
Ati Motors’ Mecha represents this pragmatic vision for the future of robotics, which is not a humanoid for exhibition but a capable, tireless system designed to work alongside humans in industrial settings.
—Kaif Shaikh, Interesting Engineering, 8 Oct. 2025
The tireless rocker embarked on a solo tour in the spring with his solo band, comprised of Brent Woods on lead guitar, Jason Walker on guitar and Brian Tichy on drums.
—Edward Segarra, USA Today, 8 Oct. 2025
Across five years of tireless activity, Taylor Swift has repeatedly envisioned herself in the shoes of doomed women in history and literature while coping with stress and public-relations disasters.
—Craig Jenkins, Vulture, 3 Oct. 2025
See All Example Sentences for tireless
Cite this Entry
“Tireless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tireless. Accessed 14 Oct. 2025.
Copy CitationKids Definition
tireless
adjective
tire·less
ˈtī(ə)r-ləs
: seeming never to get tired
a tireless worker
tirelessly
adverb
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