phase·​out | \ ˈfāz-ˌau̇t How to pronounce phaseout (audio) \

Definition of phaseout

 (Entry 1 of 2)

: a gradual stopping (as in operations or production) : a closing down by phases

phase out

phased out; phasing out; phases out

Definition of phase out (Entry 2 of 2)

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: Noun The city’s transitional phaseout of the curbs will run from Oct. 12-25, according to a statement from the local government. Eko Listiyorini,, "Jakarta to Ease Social Curbs While Indonesia Cases Stay High," 11 Oct. 2020 But Poland is fiercely resisting the calls for a rapid phaseout of coal. CNN, "What you need to know about coronavirus on Thursday, September 24," 24 Sep. 2020 That presumably reflects the effects of the coronavirus over the last two quarters, as well as the phaseout of the federal tax credit for purchasing a Tesla. Timothy B. Lee, Ars Technica, "Tesla stock leaps again on unexpectedly strong delivery numbers," 2 July 2020 Their letter calls for the same two policies Wetstone highlighted — a direct payment option for wind and solar tax credits and a delay of their phaseout. Abby Smith, Washington Examiner, "Clean energy needs help from Congress to reverse job losses, industry advocates warn," 16 June 2020 That was due in part to an earlier step in the tax credit's year-long phaseout. Timothy B. Lee, Ars Technica, "Tesla beats expectations with strong first-quarter delivery numbers," 2 Apr. 2020 The company expects to complete the phaseout by the end of 2020. Katherine J. Wu, Smithsonian Magazine, "Land O’Lakes Drops the Iconic Logo of an Indigenous Woman From Its Branding," 28 Apr. 2020 California’s restrictions mirror a global treaty called the Kigali Amendment, which took effect last year but is not ratified by the U.S., which sets goals for a global phaseout of cooling fluids. Mallory Moench,, "Fridges hurt the environment. Here’s how California wants to regulate them," 23 Feb. 2020 In April, the Internal Revenue Service reported that GM had sold more than 200,000 total eligible vehicles during the last quarter of last year, triggering the phaseout. David Lightman,, "Senate seeks to end tax credit for electric vehicles," 5 Nov. 2019 Recent Examples on the Web: Verb As a presidential candidate, Moon had promised to phase out the dog meat trade but has been silent on the issue since taking power, despite a petition signed by 200,000 people. Washington Post, "For nearly 200 dogs, a journey from a South Korean meat farm to a shelter in Maryland," 7 Nov. 2020 Avoiding the conversation about how to phase out fossil fuels, however, also means avoiding questions of how to support the workers and communities that have historically depended on them. Kate Aronoff, The New Republic, "Will Joe Manchin Ruin Democrats’ Best Chance to Fight Climate Change?," 22 Oct. 2020 Exxon and its European peers have split over adaptation to a world in which major economies are moving to phase out fossil fuel. Bloomberg Wire, Dallas News, "Internal documents show Exxon’s plan to substantially boost carbon emissions," 5 Oct. 2020 India will phase out price controls in natural gas and make it market linked, Oil Minister Dharmendra Pradhan said at the BloombergNEF Summit in June. Debjit Chakraborty,, "India Cuts Gas Price to Decade Low Adding to Producer Misery," 30 Sep. 2020 The waning odds of more stimulus is bad news for jobless Americans who are set to see their weekly $300 enhanced unemployment benefits phase out this month as the funds Trump set aside through memorandum are nearing depletion. Fortune, "Supreme Court fight could derail chances for second stimulus check and extended unemployment benefits," 21 Sep. 2020 The inability of Congress to pass another fiscal stimulus bill chips away at Americans’ spending power at the worst possible time, as landlords and lenders phase out their forbearance programs. NBC News, "GDP rose at 33.1 percent annualized rate last quarter, but blowout figure is not what it seems," 29 Oct. 2020 The Biden platform would still provide the OBI deduction of 20% up to $400,000, then quickly phase out the $80,000 benefit as incomes rise above that threshold. Shawn Tully, Fortune, "Joe Biden’s tax plan could take a bite out of some small businesses," 22 Oct. 2020 Before that can happen, Portland Public Schools must redraw some of its boundaries, part of a broader effort by Superintendent Guadalupe Guerrero and the school board to phase out the K-8 model. oregonlive, "Portland Public Schools reveals the first draft of its SE boundary redraws," 13 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'phaseout.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of phaseout


1951, in the meaning defined above


1940, in the meaning defined at transitive sense

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Time Traveler for phaseout

Time Traveler

The first known use of phaseout was in 1940

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Last Updated

28 Oct 2020

Cite this Entry

“Phaseout.” Dictionary, Merriam-Webster, Accessed 27 Nov. 2020.

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How to pronounce phase out (audio)

English Language Learners Definition of phaseout

US : the act of stopping something gradually over a period of time in a planned series of steps or phases

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