indefatigable

/ˌɪndɪfəˈtiɡəbəl/

Group 7Difficulty 2/3

Definition

(adjective)
Persisting tirelessly; untiring
GRE

Example in Context

The indefatigable advocate continued her campaign for justice long after others had given up, filing appeal after appeal over a span of twenty years.

Synonyms

tirelessunstoppablerelentless

Etymology

Describes someone who never gets tired.

  • in- (Latin) — not
  • fatigare (Latin) — to tire

Memory Aid

💪Sounds like “in da fatigue

In DA FATIGUE of a marathon, I was so INDEFATIGABLE that I ran backwards while juggling!

Visual Association

🏃‍♂️A runner zooming past others, effortlessly juggling while everyone else is exhausted.

Semantic Clusters

Synonym Groups

Frequently Asked Questions

What does “indefatigable” mean on the GRE?

indefatigable (adjective) means “Persisting tirelessly; untiring”. The indefatigable advocate continued her campaign for justice long after others had given up, filing appeal after appeal over a span of twenty years.

How to remember “indefatigable” for the GRE?

Mnemonic: “indefatigable” sounds like “in da fatigue”. In DA FATIGUE of a marathon, I was so INDEFATIGABLE that I ran backwards while juggling!

What are synonyms for “indefatigable”?

Common synonyms: tireless, unstoppable, relentless.