noun 1.a time of year other than the regular or busiest one for a specific activity: Fares are lower in the off-season.
2.a time of year when business, manufacturing activity, etc., is less than normal or at an unusually low point.
adjective 3.of, pertaining to, or during the off-season: off-season hotel rates.
adverb 4.in or during the off-season: Traveling off-season is the easiest way to save vacation money.