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.
But despite eons of evolution, plants are surprisingly wasteful. Mrigakshi Dixit, Interesting Engineering, 14 May 2026 Violations or wasteful water use could result in a fine. Olivia Young, CBS News, 9 May 2026 Is its packaging consciously designed or needlessly wasteful? Christa Joanna Lee, Allure, 8 May 2026 Slash the bureaucracy in the California Department of Education, cut wasteful spending and direct those funds toward providing resources directly to both school districts and parents. Jemma Stephenson, San Diego Union-Tribune, 8 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

Browse Nearby Words

Cite this Entry

“Wasteful.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wasteful. Accessed 16 May. 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

More from Merriam-Webster on wasteful

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster