Simple Definition of waster
: someone or something that uses too much of something or that uses something in a way that is not necessary or effective
: a person who never succeeds : a person who is not successful, attractive, etc.
Full Definition of waster
1 a (1) : one that spends or consumes extravagantly and without thought for the future (2) : a dissolute person b : one that uses wastefully or causes or permits waste <a procedure that is a waster of time> c : one that lays waste : destroyer
2 : an imperfect or inferior manufactured article or object
Examples of waster in a sentence
He has been called a waster of taxpayers' money.
He thinks every meeting is a big time waster.
First Known Use of waster
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Thesaurus: All synonyms and antonyms for "waster"
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