Other devices deal with noise already, so the phone is essentially invisible to devices using specific channels.

Homelessness, always with us but nowhere near as rampant as it is today, was essentially invisible.

If you can't leverage the worldview they already have, you are essentially invisible.

Ice also appears colorless, and water vapor is essentially invisible as a gas.

Earth's atmosphere would offer no resistance, being essentially invisible to the speeding comet.

It was essentially invisible to the naked eye.

Their transactions were unremarkable and essentially invisible amid the billions of dollars flowing around the world every day.

The afternoon sun was behind him and slightly to his right, so he and Scheer would be essentially invisible as they came over.

Against the gray-green reeds her body was essentially invisible.

Although the results passed back might come from a third party handler, this was essentially invisible to the client.