in touch

idiom

Definition of in touch

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.