lose touch (with somebody/something)
to stop communicating with someone, usually because they do not live near you now

[TahlilGaran] Dictionary of Contemporary English ▲

lose one's touch
lose one's ability to handle someone or something

[TahlilGaran] Dictionary of Contemporary English ▲

lose touch
lose (your) touch
if you lose your touch, you can no longer do something as well as you could before.
It's good to see their goalkeeper's not losing his touch.
(usually in continuous tenses)
lose touch (with (someone))
to no longer communicate with someone.
I lost touch with Katie after she moved to Canada.

lose touch (with (something))
to no longer have recent knowledge about something.
He has never lost touch with Mexican culture and traditions.

to stop having regular communication with someone.
I've lost touch with all my old college friends.
(often + with)

[TahlilGaran] English Idioms Dictionary ▲

lose touch
v. phr., informal To fail to keep in contact or communication.
■ Usually used with "with".
After she moved to another town, she lost touch with her childhood friends.
Compare: OUT OF TOUCH.

[TahlilGaran] English Idioms Dictionary ▲

lose one's touch
• lose one's touch (with someone or something)
lose one's ability to handle someone or something
I think that the horse trainer is losing her touch with the horses that she is training.

[TahlilGaran] English Idioms Dictionary ▲