tireless Meaning in the Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of “tireless” in the English Dictionary

"tireless" in British English

See all translations

tirelessadjective

uk   /ˈtaɪə.ləs/  us   /ˈtaɪr-/
workingenergetically and ​continuously: Tony is a tireless ​worker. The prisoner's ​family is ​conducting a tireless ​campaign for his ​release. The ​police have been tireless intheirsearch for the child's ​killer.
tirelessly
adverb uk   us   /-li/
Sylvia Pankhurst ​campaigned tirelessly for ​votes for women.
(Definition of tireless from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"tireless" in American English

See all translations

tirelessadjective [not gradable]

 us   /ˈtɑɪər·ləs/
not ​stopping or taking a ​rest from something: a tireless woman
tirelessly
adverb  us   /ˈtɑɪər·ləs·li/
He ​worked tirelessly to ​improve the ​localschools.
(Definition of tireless from the Cambridge Academic Content Dictionary © Cambridge University Press)
Translations of “tireless”
in Chinese (Simplified) 不知疲倦的,不觉疲劳的…
in Turkish yorulmaz, yorulmak bilmez…
in Russian неутомимый…
in Chinese (Traditional) 不知疲倦的,不覺疲勞的…
in Polish niezmordowany…
What is the pronunciation of tireless?
Add Cambridge dictionaries to your browser to your website
Word of the Day

conker

the shiny brown poisonous nut of a horse chestnut tree

Word of the Day

Meerkat meme
Meerkat meme
by Colin McIntosh,
September 03, 2015
Meerkats are not new to popular culture (they appear in the folk tales of the San people of the Kalahari), but their arrival in the public’s consciousness, at least in the UK and the US, is a relatively recent phenomenon. Meerkats are small, sociable Southern African mammals that live in large family

Read More 

parklet noun
parklet noun
August 31, 2015
a public outdoor space that may be associated with a local business but where anyone can sit Pop-up cafes in NY are what’s actually called parklets in many other places around the country.

Read More