Phase in and Phase out

Opposite meaning terms

Phase in verb - Introduce gradually.

Show all Definitions

Phase out is an antonym for phase in.

Phase out verb - Terminate gradually.

Show all Definitions

Phase in is an antonym for phase out.

Cite this Source

Phase out and Phase in. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/phase_in/phase_out

Phase in & Phase out. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/phase_in/phase_out>.

Phase out or Phase in. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/phase_in/phase_out.

Google Ngram Viewer shows how "phase in" and "phase out" have occurred on timeline