phase in
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
The airport says the airline has also started phasing in its summer schedule, resuming seasonal routes like Jacksonville, Portland, Norfolk-Virginia Beach, San Diego and Los Angeles.
—
Madeline Bartos, CBS News, 5 May 2026
With a quick turnaround before the first match of the Champions League’s inaugural league phase in mid-September, Poplin opened applications to his artistic direction, images and media students.
—Tomás Hill López-Menchero, New York Times, 5 May 2026
They were phased out, and we ‘no-name announcers’ were phased in.
—Richard Wagoner, Daily News, 4 May 2026
These new regulations will be phased in over the next few months, according to the DMV.
—Noe Padilla, USA Today, 4 May 2026
See All Example Sentences for phase in
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.
Madeline Bartos, CBS News, 5 May 2026
With a quick turnaround before the first match of the Champions League’s inaugural league phase in mid-September, Poplin opened applications to his artistic direction, images and media students.
—Tomás Hill López-Menchero, New York Times, 5 May 2026
They were phased out, and we ‘no-name announcers’ were phased in.
—Richard Wagoner, Daily News, 4 May 2026
These new regulations will be phased in over the next few months, according to the DMV.
—Noe Padilla, USA Today, 4 May 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 11 May. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
