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
The phaseout takes place at a rate of 20% for each additional dollar of income. Susan Tompor, USA Today, 3 Feb. 2026 Attached to all the new provisions are phaseouts that begin at different income levels. Shawn Tully, Fortune, 31 Jan. 2026
Verb
The first generation of step-in bindings from other brands, like Shimano, K2, and Burton, had also phased out, and everyone was riding two-strap bindings. Lisa Jhung, Outside, 9 Feb. 2026 Senate President Pro Tem Lonnie Paxton, R-Tuttle, said phasing out taxes for people who live in their homes would hurt schools, farmers, county government, renters, landlords and businesses. Barbara Hoberock, Oklahoma Voice, 9 Feb. 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 13 Feb. 2026.

Kids Definition

phase out

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

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