keep in touch

keep in touch

1. To maintain contact with another person, especially at intervals so as to remain up to date with each other's lives. My old high school friends and I tried keeping in touch once we graduated, but we all started drifting apart once college got underway. Now, make sure you keep in touch. I want to hear all about your time in Paris!
2. An informal parting phrase, especially with someone one isn't likely to see again anytime soon. OK, Deborah, thank you for your audition. Keep in touch! It was so good to see you again, cousin Jeb—keep in touch!
See also: keep, touch
Farlex Dictionary of Idioms.

keep in touch (with someone or something)

 and remain in touch (with someone or something); stay in touch (with someone or something)
to maintain communications with someone; to maintain up-to-date knowledge about someone or something. After my neighbor moved, we still remained in touch. I want to stay in touch with my office over the someone or something, in any combination weekend.
See also: keep, touch

Keep in touch.

Good-bye. (Sometimes a sarcastic way of saying good-bye to someone one doesn't care about.) Nice talking to you. Keep in touch. Sorry, we can't use you anymore. Keep in touch.
See also: keep, touch

keep in touch

(with someone) Go to in touch (with someone).
See also: keep, touch
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

be, keep, etc. in ˈtouch (with somebody)

communicate with somebody regularly: We are in touch with our central office every day. I’ve stayed in touch with some of my university friends.
See also: touch
Farlex Partner Idioms Dictionary

Keep in touch

sent. Good-bye. (Sometimes a sarcastic way of saying good-bye to someone one doesn’t care about.) Sorry, we can’t use you anymore. Keep in touch.
See also: keep, touch
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • stay in touch
  • remain in touch
  • remain in touch with (one)
  • in touch
  • stay in touch with (one)
  • each
  • rent from (one)
  • rents
  • maintain (something) at (something)
  • maintain at
References in periodicals archive
You may choose to keep in touch with your existing referrers once every 3060 days.
Suzannah Winsborrow, who has benefited from the project and been able to get online and improve her digital skills, said: "I have been able to keep in touch with my friends and family and also tell people about myS life and plan a future for myself with the aid of multimedia."
He also hit out at radio DJs who let people take part in phone-ins when they are driving and also businesses whose operation means employees have to keep in touch on the road.