Synonyms of tireless

tireless

adjective

ˈtī(-ə)r-ləs 

as in meticulous

showing no signs of weariness even after long hard effort

a tireless advocate for human rights

Synonyms & Similar Words

• meticulous
• indefatigable
• relentless
• unflagging
• conscientious
• untiring
• active
• vigorous
• diligent
• energetic
• inexhaustible
• intense
• steadfast
• persistent
• assiduous
• busy
• spirited
• painstaking
• unrelenting
• steady
• sedulous
• tenacious
• unremitting
• weariless
• determined
• stubborn
• dogged
• unfailing
• patient
• unflinching
• unfaltering
• hard
• industrious
• dynamic
• unabated
• pertinacious
• unwavering
• plodding
• feverish
• persevering
• strenuous
• laborious
• slavish

Antonyms & Near Antonyms

• lazy
• sluggish
• indolent
• listless
• shiftless
• lackadaisical
• slothful
• laggard
• desultory
• casual
• languid
• apathetic
• spiritless
• overworked
• beat
• broken
• drained
• spent
• overtaxed
• jaded
• wearied
• sapped
• burnt-out
• done in
• enervated
• played out
• burned-out
• worn-out
• tuckered (out)

Examples of tireless in a Sentence

Recent Examples on the Web

But because Batten is such a rare disease, Kristen has learned (with help) to become a tireless advocate in negotiating with research hospitals and drug companies that are understandably looking to profit from breakthroughs. —Mike Fleming Jr, Deadline, 8 July 2024

Through her tireless dedication and compassionate leadership, Holly Gold has transformed her childhood dream into a beacon of hope for children and families. —Molly Peck, USA TODAY, 6 June 2024

Harris has it in great supply, plus formidable intelligence, not to mention a tireless energy and drive. —Vogue, 23 July 2024

Much of what makes CEOs successful is in the tireless quest for more—more potential, more growth, more profit. —David Meadvin, Fortune, 22 July 2024