Meaning & Definition of word "Tireless"

Tireless

/ˈtaɪərləs/

adjective:

  • 1. Without fatigue; unrelenting in effort or activity.
    • Example: Her tireless dedication to the charity has improved many lives.
  • 2. Showing continuous and persistent effort; not yielding to fatigue.
    • Example: The tireless research of the scientists led to a breakthrough in cancer treatment.
  • 3. Constantly active and energetic.
    • Example: The tireless campaigner worked day and night to get her message across.
  • 4. Marked by an unending commitment to a cause or activity.
    • Example: His tireless pursuit of excellence inspired his colleagues.
  • 5. Indefatigable; incapable of being tired out.
    • Example: The volunteers were tireless in their efforts to help the victims of the disaster.

Etymology

From tire + -less, meaning without fatigue or weariness.

Common Phrases and Expressions

tireless effort:

An ongoing effort that shows no signs of stopping.

tireless advocate:

Someone who tirelessly supports a cause or belief.

tireless work ethic:

A strong commitment to continuous work and effort.

Related Words

indefatigable:

Persisting tirelessly.

unflagging:

Not tiring or weakening.

relentless:

Continuing without becoming weaker.

Slang Meanings of tireless

Meaning: All-out effort

Example Sentence: He's putting in all-out effort at his job, being totally tireless.

Meaning: Go-getter

Example Sentence: She’s such a go-getter, always tireless in her pursuits.