phase in

phrasal verb

phased in; phasing in; phases in
: to start to use or do (something) gradually over a period of time : to introduce (something) slowly
The country is phasing in new paper currency.
The law will phase tax cuts in over a period of two years.

Examples of phase in 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.
Still, this latest phase in the White House’s trade war heightens the threat of potentially more severe tariffs that’s been hanging over the global economy. Alex Veiga, Chicago Tribune, 9 July 2025 The South Coast Air Quality Management District — responsible for regulating industrial plants and products that pollute the LA basin’s air — recently rejected rules phasing in zero-emission water heaters and furnaces. Calmatters, Mercury News, 8 July 2025 Witt advanced to the second phase in the All-Star voting. Jaylon Thompson, Kansas City Star, 2 July 2025 Once the jury reaches a verdict, the trial will proceed to the sanity phase in the Woodland courtroom. Darrell Smith, Sacbee.com, 23 June 2025 See All Example Sentences for phase in

Browse Nearby Words

Cite this Entry

“Phase in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phase%20in. Accessed 22 Jul. 2025.

More from Merriam-Webster on phase in

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!