prime time

noun

, Radio and Television.

1. the hours, generally between 8 and 11 p.m., usually having the largest audience of the day.

prime time

noun

1. the peak viewing time on television, for which advertising rates are the highest

adjective

1. occurring during or designed for prime time

   a primetime drama

Word History and Origins

Origin of prime time¹

First recorded in 1955–60