off-peak
1. [ adjective ] of a period of less than maximal use or demand or activity
Examples:

"off-peak telephone rates" "off-peak fares"

Related terms: peak off-season
2. [ adjective ] of a period of less than maximal use or demand or activity
Examples:

"off-peak telephone rates" "off-peak fares"

Related terms: peak off-season
Similar spelling:   off-key