Definition of untiring
: not becoming tired : indefatigable an untiring worker
Examples of untiring in a Sentence
the camel's reputation as an untiring beast of burden
the detective's untiring investigation of the crime finally led to several arrests
Recent Examples of untiring from the Web
Corrupt regimes long reviled by their populace are being brought down left and right, thanks to the brilliant and untiring efforts of democracy activists.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'untiring'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of untiring
UNTIRING Defined for English Language Learners
Definition of untiring for English Language Learners
: working very hard with a lot of energy for a long time : never seeming to get tired
UNTIRING Defined for Kids
Definition of untiring for Students
: not becoming tired
Learn More about untiring
Thesaurus: All synonyms and antonyms for untiring
Seen and Heard
What made you want to look up untiring? Please tell us where you read or heard it (including the quote, if possible).