adj
Uncommon
tireless
Tireless (adj) means Never seeming to tire; working with constant energy and determination. Example: “She was a tireless campaigner for local charities.”
adj
1
Never seeming to tire; working with constant energy and determination.
"She was a tireless campaigner for local charities."
"His tireless effort finally paid off at the finish line."
How to use tireless
Learner’s notesIn plain EnglishFull of stamina; never running out of energy or dedication.
Common pairings
tireless effort
tireless worker
tireless campaigner
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She was a _____ campaigner for local charities.
Etymology
From tire ("to grow weary") plus -less.
Synonyms
View more →Antonyms
Related words
Rhymes for tireless
useless
ageless
wireless
hopeless
homeless
careless
lifeless
baseless
clueless
timeless
loveless
nameless
See all rhymes for tireless →
Frequently asked questions
What does “tireless” mean?
The word “tireless” means never seeming to tire; working with constant energy and determination. In plain terms, full of stamina; never running out of energy or dedication.
How do you use “tireless” in a sentence?
Here is “tireless” used in a sentence: “She was a tireless campaigner for local charities.”
What is another word for “tireless”?
Words with a similar meaning to “tireless” include inexhaustible, indefatigable, unflagging, unweariable and unwearying.
What is the opposite of “tireless”?
The opposite of “tireless” — its antonyms — are exhaustible, defatigable, weariable and wearying.
What part of speech is “tireless”?
“Tireless” is an adjective.
Is “tireless” a common word?
“Tireless” is an uncommon word in modern English.
