1. noun A period of reduced or minimal business activity. The small beach town is very crowded in the summer, but it's almost completely deserted in the off season. I try to travel during the off season, because everything is so much cheaper then.

2. adjective Of or relating to such a period of minimal business activity. Hyphenated when used before a noun. The off-season rates are less than half what they were charging during the peak season. It's off season now, so I doubt there will be too many shops open.

3. adverb During such a period of minimal business activity. Hyphenated when used before a noun. My wife and I travel off season because it costs less and we don't like to be among big crowds of tourists.