From Longman Dictionary of Contemporary Englishbe friendly with somebodybe friendly with somebodyFRIENDto be friends with someone Betty’s very friendly with the Jacksons. → friendly
Examples from the Corpus
be friendly with somebody• I recently moved into an apartment and became friendly with the mother of three young children.• Again, the atmosphere is friendly with everyone recounting the day's activities whilst making new friends and meeting old adversaries.• Prosecutors say Moore had gotten in the car a few minutes earlier, pretending to be friendly with Hammond.• Massey said that he knew that Mrs Clinton was friendly with McDougal.• And if he is friendly with me, a lawyer, imagine how friendly he is with the rank and file.• If they knew you were friendly with some one, they would try their hardest to separate you.• Had her shyly determined efforts to be friendly with the other quieter girls like herself been so thoroughly misinterpreted?• She sometimes felt she was walking a tightrope, wanting to be friendly with Therese, and yet terrified of upsetting Karl. 