Tireless

/ˈtaɪərləs/

Meaning & Definition

adjective

Without fatigue; unrelenting in effort or activity.

Her tireless dedication to the charity has improved many lives.

Showing continuous and persistent effort; not yielding to fatigue.

The tireless research of the scientists led to a breakthrough in cancer treatment.

Constantly active and energetic.

The tireless campaigner worked day and night to get her message across.

Marked by an unending commitment to a cause or activity.

His tireless pursuit of excellence inspired his colleagues.

Indefatigable; incapable of being tired out.

The volunteers were tireless in their efforts to help the victims of the disaster.

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

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.

indefatigable

Persisting tirelessly.

unflagging

Not tiring or weakening.

relentless

Continuing without becoming weaker.

All-out effort

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

Go-getter

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