wasteful

adjective

waste·​ful ˈwāst-fəl How to pronounce wasteful (audio)
Synonyms of wastefulnext
: given to or marked by waste : lavish, prodigal
wastefully adverb
wastefulness noun

Examples of wasteful in a Sentence

a wasteful use of natural resources a careless and wasteful person We must eliminate wasteful expenditures.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This means that a small engine can handle immense power loads without generating wasteful heat. Mrigakshi Dixit, Interesting Engineering, 3 June 2026 The party must put Maryland priorities first, such as fixing the budget crisis, cutting wasteful spending and delivering real results for residents ahead of any national personality cult. Torrey Snow, Baltimore Sun, 3 June 2026 Several council candidates have also addressed improving police department retention to rein in overtime costs, scrutinizing city contracts to eliminate wasteful spending and using AI tools to streamline city processes. Ryan MacAsero, Mercury News, 3 June 2026 My point here is that the perception that people have of space programs as wasteful is often self-inflicted. Marshall Shepherd, Forbes.com, 31 May 2026 See All Example Sentences for wasteful

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of wasteful was in the 14th century

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Cite this Entry

“Wasteful.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wasteful. Accessed 5 Jun. 2026.

Kids Definition

wasteful

adjective
waste·​ful ˈwāst-fəl How to pronounce wasteful (audio)
: given to or marked by waste : prodigal
a wasteful use of our natural resources
wastefully adverb
wastefulness noun

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