indefatigable

CEFRC2

/ˌɪn.dɪˈfæt.ɪ.ɡə.bəl/

adjective

Türkçe translations

Translating…

In plain English

  1. 01

    adjective

    Having great energy and never seeming to get tired.

  2. 02

    adjective

    Extra detail

    Synonym of Santa Cruz, an island of Galapagos, Ecuador.

Examples

  • Mary is an indefatigable defender of the rights of indigenous communities.

  • My grandfather is an indefatigable worker.

At a glance

Sits at C2 on the CEFR scale

Senses
3
Parts of speech
1
Citations
3
Synonyms
5

Also pronounced

  • [ˌɪn.dəˈfæɾ.ɪ.ɡə.bəl]
  • /ˌɪn.də-/

Deep Dive

adjective

Extra meaning
  1. Extremely persistent and untiring.

More examples

In context
  • [...] But he was at the ſame Time an excellent Scholar, and moſt indefatigable in teaching the two Lads.

  • He was respected by all who knew him for his integrity and indefatigable attention to public business.

  • All night long the Martians were hammering and stirring, sleepless, indefatigable, at work upon the machines they were making ready, and ever and again a puff of greenish-white smoke whirled up to the starlit sky.

Quick test

Two questions on this entry. Nothing is scored.

Question 1 · Quick check

The blank worker labored for many hours without taking any rest or sleep.

Practise this properly in the app, where the word comes back before you forget it.

Nearby

Origin

adjective

From Middle French, from Latin indēfatīgābilis (“untiring”), from in- (“not”) + dēfatīgō (“to tire out”).