Tireless
easyPositive toneTYR-lis
adjective
Definition
Having or showing great effort or energy; indefatigable
Memory hook
Never getting TIRED — tireless means working with boundless energy and persistence.
Examples
“The tireless advocate fought for justice.”
“Her tireless efforts finally paid off.”
Test yourself
Fill in the blank with the right word:
“The ______ advocate fought for justice.”
Show answer
tireless
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".
Related GRE Words
indefatigable
Persisting tirelessly; unable to be fatigued
diligent
Having or showing care and conscientiousness in one's work or duties
animated
Full of life or excitement; lively
energize
To give vitality, enthusiasm, or energy to; to invigorate
industrious
Diligent and hard-working
painstaking
Done with or employing great care and thoroughness
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