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Synonyms

wasteful

American  
[weyst-fuhl] / ˈweɪst fəl /

adjective

  1. given to or characterized by useless consumption or expenditure.

    wasteful methods; a wasteful way of life.

  2. grossly extravagant; prodigal.

    a wasteful party.

  3. devastating or destructive.

    wasteful war.


wasteful British  
/ ˈweɪstfʊl /

adjective

  1. tending to waste or squander; extravagant

  2. causing waste, destruction, or devastation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of wasteful

Middle English word dating back to 1250–1300; see origin at waste, -ful

Explanation

Someone who's wasteful uses and disposes of things carelessly. A wasteful child might eat two bites of yogurt and then throw the rest of the container away. You can be wasteful with your money, spending too much of it on unimportant things. Some people are wasteful with food, ordering too much at a restaurant and leaving most of it on the plate. It's possible to be wasteful with almost anything that you squander without thinking about, including electricity or heat or even your own creative energy. The Latin root of waste is vastus, "empty or desolate."

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Vocabulary lists containing wasteful

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Wasteful habits are harmful when they start to impact financial security.

From MarketWatch • Feb. 27, 2026

Wasteful use of the shiny substance seemed to be everywhere, from grocery and clothing stores to the packaging of Amazon orders.

From Los Angeles Times • Jul. 19, 2019

Wasteful and inefficient, they reflect executive overconfidence, ambition or self-interest.

From Washington Post • Oct. 21, 2018

Wasteful in possession, passive as a defensive midfielder and a non-event going forward.

From BBC • Aug. 26, 2016

If there is no disruption And everything seems in balance, Wasteful action is corruption Of the purest talents.

From A Hero and a Great Man by Kruckvich, Francis