be good friends

be (just) good friends

A phrase used to emphasize that two people are not in a romantic relationship. Oh, he's not my boyfriend—we're just good friends.
See also: friend, good
Farlex Dictionary of Idioms.

be (just) good ˈfriends

used to say that two friends are not having a romantic relationship with each other: People often think Ian and I are a couple, but we’re just good friends.
See also: friend, good
Farlex Partner Idioms Dictionary
See also:
  • be (just) good friends
  • (one's) good deed for the day
  • (one's) good deed of the day
  • deed
  • do no good
  • be in good condition
  • for good measure
  • all good things come to an end
  • be as good as new
  • do (one) a/the world of good
References in periodicals archive
Ahmed Ali Butt: "Yes and you can be good friends with your ex."
She says it's stupid to have a boyfriend while I am a young teenager and that it's better to just be good friends with a guy.