Tireless Meaning
/tˈaɪərləs/Definition, CEFR level B2, pronunciation, examples, and quiz.
Listen pronunciation
Definition
adjIndefatigable, untiring and not yielding to fatigue
adjWithout a tire (wheel covering); tyreless.
Sentence Examples
It was your tireless efforts and devotion that made the event successful.
My grandfather is a tireless worker.
Thanks to her tireless efforts, we reached our goal.
Synonyms & Antonyms
Synonyms:
CEFR Practice Quiz
The ____ nurse worked all night without any rest or sign of exhaustion.
CEFR Practice Quiz (Alternate)
The volunteers were ____ in their efforts to provide aid to the families affected by the heavy flood today.
Word Origin & History
Etymology tree English tire Proto-Indo-European *lewh₁- Proto-Indo-European *lewHs-der. Proto-Germanic *leusaną Proto-Germanic *lausaz Proto-Germanic *-lausaz Proto-West Germanic *-laus Old English -lēas Middle English -les English -less English tireless From tire (“to become sleepy or weary”) + -less.
Literary Quotations & Historical Citations
"James Milner's angled free-kick was headed on to the post by the tireless Bent and Lampard the opportunist was perfectly placed to stoop and head in from virtually on the goal-line."
— 2011 November 12, “International friendly: England 1-0 Spain”, in BBC Sport, archived from the original on 13 Aug 2022:
Explore More B2 Vocabulary Words
CEFR Practice Quiz
The ____ nurse worked all night without any rest or sign of exhaustion.
CEFR Practice Quiz (Alternate)
The volunteers were ____ in their efforts to provide aid to the families affected by the heavy flood today.