1. to hear a rumor that may or may not be true

1. She heard through the grapevine that she was being considered for a big promotion.

2. I heard through the grapevine that he was leaving - is it true?

3. No one knows it yet, but I found out that the boss is about to quit. I can’t tell you who told me, but let’s just say I heard it though the grapevine.

4. “How did you find out Karen was going to have a baby?” I asked. “I heard it through the grapevine,” answered Julie.