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 full tax savings based on income group is broken down as follows: Retirees should also expect larger tax refunds, with the enhanced senior deduction providing anywhere between $6,000 to $12,000 in additional deductions for those over 65 and within applicable phaseout ranges. Suzanne Blake, MSNBC Newsweek, 23 Oct. 2025 But whether the discussions can eventually translate into a concrete global phaseout plan remains to be seen. Kate Hua-Ke Chi, The Conversation, 16 Oct. 2025
Verb
Trump plans to phase out the plans by July 1, 2028. Medora Lee, USA Today, 11 Nov. 2025 FedEx has also been phasing out the plane, with still over 30 in service. Zach Lachance, The Washington Examiner, 8 Nov. 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

Browse Nearby Words

See all Nearby Words

Cite this Entry

“Phaseout.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phaseout. Accessed 14 Nov. 2025.

Kids Definition

phase out

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

More from Merriam-Webster on phaseout

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!