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
Kornet’s time in Boston is a measure of a new phase in his life.
—
Jared Weiss, New York Times, 11 Jan. 2026
That infrastructure, including painting the far right lane red and dedicating it for buses only, will come, but it will be phased in over time.
—John Shumway, CBS News, 9 Jan. 2026
Enter the super rotators The new study uses data collected over the course of about 10 hours across seven nights during Rubin Observatory’s early commissioning phase in April and May 2025.
—Laura Baisas, Popular Science, 8 Jan. 2026
The governor and Mamdani detailed those plans, which would start rolling out this fall and be fully phased in by the 2029-30 school year, in central Brooklyn, ahead of her annual State of the State address next week.
—Cayla Bamberger, New York Daily News, 8 Jan. 2026
See All Example Sentences for phase in
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Jared Weiss, New York Times, 11 Jan. 2026
That infrastructure, including painting the far right lane red and dedicating it for buses only, will come, but it will be phased in over time.
—John Shumway, CBS News, 9 Jan. 2026
Enter the super rotators The new study uses data collected over the course of about 10 hours across seven nights during Rubin Observatory’s early commissioning phase in April and May 2025.
—Laura Baisas, Popular Science, 8 Jan. 2026
The governor and Mamdani detailed those plans, which would start rolling out this fall and be fully phased in by the 2029-30 school year, in central Brooklyn, ahead of her annual State of the State address next week.
—Cayla Bamberger, New York Daily News, 8 Jan. 2026
See All Example Sentences for phase in
Cite this Entry
“Phase in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phase%20in. Accessed 14 Jan. 2026.
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