Tireless

adj. resilient, energetic warm

What it means

Sustaining energetic effort for an unusually long time.

Reach for it when honoring prolonged work or advocacy that seems not to lose force

The tireless coordinator found a host family for every displaced student.

Words to choose between 8

By register, from playful at the top to literary at the bottom. Tap a word to see when it fits.
everyday
warm
professional
formal
literary
  • everyday

    energetic

    Fits when liveliness is visible but long duration is unproved

    Careful Energetic says nothing about persistence across months or setbacks.

  • everyday

    hardworking

    Fits when dependable effort matters without claiming boundless energy

    Careful Hardworking is broader and less emphatic about duration.

  • warm

    steadfast

    Fits when loyal constancy is more important than pace

    Careful Steadfast can be quiet and still, unlike the active exertion implied by tireless.

  • professional

    dedicated

    Fits when commitment explains the sustained effort

    Careful Dedicated may remain true even when a person sensibly rests or reduces their hours.

  • professional

    relentless

    Fits when pressure and forward drive never let up

    Careful Relentless can sound harsh, exhausting, or hostile when warmth is intended.

  • formal

    untiring

    Fits when steady energy is meant literally and without flourish

    Careful Untiring can sound dated and does not highlight devotion to a cause.

  • literary

    indefatigable

    Fits when elevated praise for seemingly endless energy is appropriate

    Careful Indefatigable is too ornate for a plain resume line or friendly thank-you.

  • literary

    unflagging

    Fits when enthusiasm or attention stays at full strength

    Careful Unflagging fits constancy of spirit better than heavy practical labor.

Opposites 3

  • weary
  • idle
  • flagging

Common phrases 3

  • tireless advocate

    A tireless advocate kept the rural clinic on every funding agenda.

  • tireless efforts

    Her tireless efforts connected hundreds of families with safe housing.

  • tireless work

    The committee recognized twenty years of tireless work for clean water.

Word family 1

Definitions and examples are written for this site. How words are chosen Recording: Vealhurl, Southern England accent, from Wikimedia Commons, CC BY-SA 4.0 Updated