in touch

phrase

1

: in a state in which people communicate with each other especially by calling or writing to each other

We kept/stayed in touch after college.

They keep in touch by email.

—often + with

I'll be in touch with you later this week.

I have been trying to get in touch with her all day.

The childhood friends have kept in touch with each other for 40 years.

2

: in a state of being aware of what is happening, how certain people feel, etc.

—usually + with

As a professor of biology, it is important to keep/stay in touch with the latest research.

She is in touch with the voters and their needs.

3

: in a state of being aware of a particular part of one's character that is not easily noticed

—usually + with

She meditates to get in touch with her inner self.