
On/through the grapevine
Informal Use
This phrase is casual and mostly used in social conversations, not in formal settings.

I heard on the grapevine that Sandra got engaged.
Unverified News
Information received through the grapevine may not be reliable as it's passed from person to person.

Is it true what I heard on the grapevine about the company merger?
Origin
The phrase originates from the way grapevines spread, symbolizing how gossip travels.

She got all the updates on the grapevine, just like tendrils reaching out everywhere.
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