untunneled

== English == === Alternative forms === untunnelled === Etymology === From un- +‎ tunneled. === Adjective === untunneled (not comparable) Through which no tunnel has been dug. untunneled soil; an untunneled mountain (computing, networking) Not using a tunnel (wrapper for insecure or unsupported protocol). (medicine) Of a catheter: not inserted into a vein for long-term use.