- a person who makes a reservation and neither uses nor cancels it.
- a person who purchases an admission ticket and doesn’t use it.
- any absentee.
- not appearing as scheduled or expected.
- a person who fails to take up a reserved seat, place, etc, without having cancelled it
n.also no show, “someone who fails to keep an appointment,” 1941, from no + show (v.), in the “show up, appear” sense. Originally airline jargon.