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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.

See Examples For:

Frustrated with an industry they viewed as wasteful, exclusionary and obsessed with consumption, the pair wanted a name that reflected their criticism of it.

From Salon Aug. 9, 2026

That could make advanced tools less wasteful and more economical while preserving the extreme hardness required for industrial use.

From Science Daily Aug. 4, 2026

"We should be spending on capex as fast as we can spend... without it being too wasteful," Musk said.

From Barron's Jul. 22, 2026

Another challenge for Burnham if he does spend more on defence is reforming defence procurement - buying and developing planes, ships, vehicles and weapons - which has been historically wasteful.

From BBC Jul. 17, 2026

Those first few exhales were big and wasteful as Miig tried to get the damp paper to light, and smoke billowed across the clearing like messages.

From "The Marrow Thieves" by Cherie Dimaline

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