However, the practical answer is more nuanced. While the platform prioritizes discretion, a savvy user will likely figure it out on their own.
The short answer is
You will have to send a new connection request. At that moment, they will likely realize there was a gap in the connection history. While they won't see a "block" log, they will see a fresh request from someone they swear they used to be connected to—which is its own awkward conversation. You can block someone on LinkedIn with the confidence that you won't trigger a humiliating alert. LinkedIn handles the block with the same silent treatment as most other social networks (like Instagram or X). if i block someone on linkedin will they know