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Related to in phase: out of phase
in phase (with someone or something)
1. Happening, functioning, or moving at the same time and pace as someone or something else; in a synchronized or coordinated manner (with someone or something). Primarily heard in UK. Every soldier in the squad marched perfectly in phase. Is it just me, or is the audio not in phase with the movie?
2. Sharing the same or similar goals, ideals, desires, likes, dislikes, etc.; having the same or similar perspectives or opinions. Primarily heard in UK. Throughout the date, it just seemed like she and I were totally in phase about everything we brought up. If your team isn't in phase with one another, you're going to have a hard time getting this project done.
Also, in sync. In a correlated or synchronized way; in accord, in harmony. For example, If everyone were in phase we could step up the schedule, or John and Pat often say the same thing at the same time; their minds are perfectly in sync . Both versions of this idiom refer to physical phenomena. The first, dating from the second half of the 1800s, alludes to being at the same stage in a series of movements. The second, a slangy abbreviation of synchronization dating from the mid-1900s, alludes to exact coincidence in the time or rate of movement. Also see in step; phase in; for the antonym, see out of phase.
See also: phase
in ˈphase/out of ˈphase (with something)(British English) working/not working together in the right way: The traffic lights were out of phase.
In a correlated or synchronized way.
See also: phase