phaseout

1 of 2

noun

phase·​out ˈfāz-ˌau̇t How to pronounce phaseout (audio)
: a gradual stopping (as in operations or production) : a closing down by phases

phase out

2 of 2

verb

phased out; phasing out; phases out

transitive verb

: to discontinue the practice, production, or use of by phases

intransitive verb

: to stop production or operation by phases

Examples of phaseout in a Sentence

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.
Noun
The Child Tax Credit would revert to $1,000, and phaseout thresholds would lower significantly. David Faris, MSNBC Newsweek, 11 Apr. 2025 The recent fires in Los Angeles County should serve as a political rallying cry to accelerate the phaseout of oil and gas. Sammy Roth, Los Angeles Times, 10 Apr. 2025
Verb
Besides the call for deeper cuts, some Republican senators are leery of the House push to phase out tax credits for big energy projects in their states. Carl Hulse, New York Times, 22 May 2025 In last-minute changes to the bill, Republicans sped up the timelines for phasing out key clean energy tax credits. Ella Nilsen, CNN Money, 21 May 2025 See All Example Sentences for phaseout

Word History

First Known Use

Noun

1951, in the meaning defined above

Verb

1940, in the meaning defined at transitive sense

Time Traveler
The first known use of phaseout was in 1940

Browse Nearby Words

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Cite this Entry

“Phaseout.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phaseout. Accessed 26 May. 2025.

Kids Definition

phase out

verb
: to discontinue doing, producing, or using
phasing out old machinery

More from Merriam-Webster on phaseout

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