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One that is expected but does not appear, especially:
a. A person who reserves a place, as on an airplane, but neither uses nor cancels the reservation.
b. A person who buys a ticket for an event but does not attend.
c. A person who unexplainedly fails to keep an appointment.
Requiring little or no actual attendance or work: a no-show political patronage job.
a person who fails to take up a reserved seat, place, etc, without having cancelled it
1. a person who has a reservation or ticket and does not use or cancel it.
2. a person who unexpectedly fails to show up, as for an appointment.