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 phaseout range for married filing separately is not subject to an annual cost-of-living adjustment, according to the IRS, and remains between $0 and $10,000. Jessica Dickler,kate Dore, Cfp®, CNBC, 1 Nov. 2024 Public worry in the 1980s about the growing ozone hole led to the 1987 Montreal Protocol, which started the phaseout of ozone-depleting chemicals. Jeffrey Ball, Foreign Affairs, 14 June 2018
Verb
The agreement says the athletes will work with the campaigners to phase out fossil fuel sponsorship of major international ski events. Nat Herz, NPR, 10 Mar. 2025 Whether or not South Korea can maintain this reversal and continue to grow its population will be valuable data for conservative governments around the world seeking to bolster their own domestic fertility rates and phase out immigration as a source of population augmentation. Timothy Nerozzi, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 8 Mar. 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

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Cite this Entry

“Phaseout.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phaseout. Accessed 21 Mar. 2025.

Kids Definition

phase out

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

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