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
Those phaseouts begin for single filers with income above $150,000 and married couples filing jointly with income above $300,000. Kelly Phillips Erb, Forbes.com, 19 Sep. 2025 The tax credits emerged as a key sticking point in the megabill and the Freedom Caucus, which Perry previously chaired, successfully pushed GOP leadership to alter the legislation after the first draft was unveiled to speed up the phaseout. Emily Brooks, The Hill, 18 Sep. 2025
Verb
In 2019, when a previous version of the EV tax credit was phased out for Tesla and General Motors because both hit a prescribed sales target, those two automakers responded by cutting prices. Chris Isidore, CNN Money, 23 Sep. 2025 That benefit starts to phase out, or decrease, for consumers making more than $500,000. Kate Dore, Cfp®, Ea, CNBC, 23 Sep. 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 25 Sep. 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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