The sudden un-friend from someone he admired hurt more than he expected.

I chatted politely with a non-friend at the conference.

After their disagreement, she decided to un-friend him on social media.

He laughed in disbelief and muttered, with friends like these who needs enemies, as he watched them betray his trust.

When there's any misunderstanding over money, it's wise to act quickly because short accounts make long friends.

My grandmother always told me, 'short reckonings make long friends,' whenever I hesitated to repay borrowed money.

My grandmother always said, 'trust your friends, but cut the cards,' warning us to be cautious even with those closest to us.

I learned she was a fair-weather friend when she disappeared as soon as my problems started.

After a long day, I always look forward to coming home to my loyal companion, man's best friend.

The crew confirmed the aircraft's identification friend or foe before authorizing its clearance to land.