unlisted

adjectives

not on a list
"an unlisted telephone number"
unlisted
antonym
listed
is similar to
(of telephone numbers) not listed in the telephone directory
"an ex-directory number" (British usage)
ex-directory
is similar to
(of securities) not traded on a stock exchange
"over-the-counter stocks"
otc, over-the-counter
not having your name entered on a voting list
"an unlisted voter"
unlisted
is similar to
not registered
"an unregistered citizen"
unregistered