phaseout

1 of 2

noun

phase·​out ˈfāz-ˌau̇t How to pronounce phaseout (audio)
Synonyms of phaseoutnext
: 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
Attached to all the new provisions are phaseouts that begin at different income levels. Shawn Tully, Fortune, 31 Jan. 2026 The deduction is capped at $12,500 ($25,000 for joint filers), subject to income phaseouts, and requires a valid Social Security number and (for married taxpayers) joint filing. Kelly Phillips Erb, Forbes.com, 24 Jan. 2026
Verb
Wednesday, Republicans in the Georgia House unveiled a complex effort to phase out homeowner property taxes by 2032. Jeff Amy, Los Angeles Times, 1 Feb. 2026 But Tesla is not phasing out the Model S to focus on making even better cars. Patrick George, The Atlantic, 30 Jan. 2026 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 6 Feb. 2026.

Kids Definition

phase out

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

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