Tireless

easy

TYR-lis

adjective

Definition

Having or showing great effort or energy; indefatigable

Examples

The tireless advocate fought for justice.
Her tireless efforts finally paid off.

Synonyms

indefatigableunflagginguntiringassiduous

Antonyms

Categories

GRE Tip

Tireless is a easy-difficulty GRE word. On the GRE, you might see it paired with synonyms like "indefatigable" or "unflagging" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "lethargic".

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