tireless

1. 1.

   showing sustained enthusiastic action with unflagging vitality

   “an indefatigable advocate of equal rights”

   “a tireless worker”

   “unflagging pursuit of excellence”

   Synonymsindefatigableunflaggingunwearying

   Similarenergetic
2. 2.

   characterized by hard work and perseverance

   Synonymshardworkingindustriousuntiring

   Similardiligent

Questions about tireless

What does tireless mean?

tireless means "showing sustained enthusiastic action with unflagging vitality". That is the primary sense; the word has 2 in total, listed in full on this page.

How many syllables are in tireless?

tireless has 3 syllables: ti-re-less. The stress falls on "ti". In IPA it is /ˈtaɪɚləs/.

What is another word for tireless?

Close synonyms include indefatigable, unflagging, unwearying, hardworking, industrious. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is tireless a common word?

tireless is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.