off-peak

[ awf-peek, of- ]
/ ˈɔfˈpik, ˈɒf- /

adjective

of, relating to, or during a period of less than maximum frequency, demand, intensity, or use: the off-peak travel season; off-peak train fares.
lower than the maximum: off-peak production.

Origin of off-peak

First recorded in 1915–20

British Dictionary definitions for off-peak

off-peak

adjective

of or relating to services as used outside periods of intensive use or electricity supplied at cheaper rates during the night