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Synonyms

tirelessly

American  
[tahyuhr-lis-lee] / ˈtaɪər lɪs li /

adverb

  1. without becoming tired or weary and without slackening one’s effort.

    Compassion impels us to work tirelessly to ease the suffering of our fellow creatures.


Etymology

Origin of tirelessly

tireless ( def. ) + -ly

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“For months, many have worked tirelessly to return zero-for-zero tariff trade for whisky and bourbon,” said Mark Kent, CEO of the Scotch Whisky Association.

From The Wall Street Journal • Apr. 30, 2026

He and Robison worked as tirelessly throughout his illness to archive his life.

From Los Angeles Times • Apr. 24, 2026

His social media messaging "emotionally resonated" with his followers, granting him an "unparalleled organic reach", said Kovesdi, adding many supporters see him as a "hero, tirelessly fighting for them".

From Barron's • Apr. 12, 2026

The police are working "tirelessly" to raise standards and improve its culture in London, he said.

From BBC • Apr. 10, 2026

They set to work tirelessly in their shop downstairs, stopping only at night, to sleep in an unheated room above the shop.

From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown