phase in

1. 1.

   introduce gradually

   Antonymsphase out

   Broaderintroduce

Questions about phase in

What does phase in mean?

phase in means "introduce gradually".

What is the opposite of phase in?

The recorded antonyms are phase out.

Is phase in a common word?

phase in is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.