Meaning & use

tireless

adjective·Academic

Last updated

UK/ˈtaɪələs/
US/ˈtaɪərləs/

Meaning

  1. adjectivenot comparable

    Never becoming tired, especially through continuous hard work or effort.

    Grammar: Used before a noun or after a linking verb like 'be', 'seem', 'remain'. Not usually used with 'very' or in comparative forms.

    Patterns

    • tireless worker
    • tireless efforts
    • tireless in something
    • be tireless

    She was a tireless campaigner for children's rights.

    His tireless efforts finally paid off when the project was approved.

    The volunteers remained tireless despite the long hours.

Common combinations

tireless worker
He is a tireless worker who never misses a deadline.
tireless efforts
Her tireless efforts to improve the school were recognized by the community.
tireless campaigner
The tireless campaigner traveled the country to raise awareness.
tireless in
She was tireless in her pursuit of justice.
tireless dedication
His tireless dedication to the team inspired everyone.

Synonyms and how they differ

indefatigable
More formal and literary than 'tireless'; often used in writing about someone's energy over a long period.
untiring
Very similar to 'tireless' but less common; it also means never becoming tired.
energetic
Focuses on having a lot of energy, not necessarily on never getting tired; can describe a person or activity.
relentless
Can be negative, suggesting no stopping even if it harms others; 'tireless' is usually approving.

Opposites

Word family

tirelessly adverb
In a tireless way; without stopping or getting tired.
tirelessness noun
The quality of never becoming tired.
tired adjective
Needing rest or sleep; the opposite of feeling energetic.
tire verb
To become tired or to make someone tired.

Commonly confused: tireless or tired? tireless or tiresome?

tireless vs tired

'Tired' means feeling the need for rest; 'tireless' means never feeling that need. They are near opposites.

tireless vs tiresome

'Tiresome' means annoying or boring; 'tireless' means never getting tired.

Practice

Choose the best word: 'Despite working for twelve hours, she remained ___ and continued to help.'

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