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 In addition, the country has fast-tracked an existing plan to phase out fur farming. Jack Guy, CNN, "Coronavirus could drive the last nail into the mink fur trade," 18 Oct. 2020 But a motion introduced by Assemblywoman Crystal Kennedy and approved by the body means the city is moving to phase out of the emergency status and find other ways to address the pandemic. Emily Goodykoontz, Anchorage Daily News, "Following mayor’s resignation, Anchorage Assembly extends COVID-19 emergency declaration to Nov. 30," 14 Oct. 2020 The country is on track to phase out coal and derive nearly all its electricity from cleaner-burning gas and solar power by 2025, and is exporting gas to neighboring Egypt and Jordan. Joseph Krauss, Star Tribune, "Five years on, Israelis see few benefits from major gas deal," 12 Oct. 2020 Newsom’s declaration, and a request to the Legislature to phase out fracking to produce oil and natural gas, cheered environmental advocates who want California to be bolder in reducing its emissions of greenhouse gases. Dan Walters,, "Newsom’s ‘audacious’ goal: Ban gas-powered cars," 26 Sep. 2020 Like the earlier pandemic stimulus money, the direct payments and credit will begin to phase out for individual filers earning more than $75,000 and joint filers earning more than $150,000. Leada Gore |, al, "Bill would give families $1,200 a month to cover remote learning during COVID pandemic," 21 Sep. 2020 Recent policy changes suggest the Chinese government is moving to phase out the use of pangolin scales in traditional Chinese medicine. National Geographic, "Pangolin scale seizures at all-time high in 2019, showing illegal trade still booming," 17 Sep. 2020 So expect stricter pollution caps, with plans to completely phase out combustion engines. David Meyer, Fortune, "How businesses are preparing for the U.S. election outcome," 16 Sep. 2020 Just last week, amid this latest round of fires, Newsom promised to phase out new gas-only cars by 2035. Elizabeth Weil, ProPublica, "California Will Keep Burning. But Housing Policy Is Making It Worse.," 2 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 28 Oct. 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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