Unlisted (adjective)

Not included in a list or register.

Origin:

From un- (not) + listed (included in a list).

Examples:

1. The phone number you have dialed is unlisted.
2. The property was unlisted and had no sign outside.
3. The company is unlisted and does not have a stock symbol.
4. Unlisted securities are not traded on a public exchange.
5. The name of the donor was unlisted in the program.