adverb
- out of doors; in the open air: He’s happiest when he’s outdoors.
noun
- (used with a singular verb) the world outside of or away from houses; open air: Our whole family likes the outdoors.
adjective
- outdoor.
adverb
- Also: out-of-doors in the open air; outside
noun
- the world outside or far away from human habitationthe great outdoors
adv.1817, from outdoor + adverbial genitive. As a noun, “open spaces,” recorded from 1857. see big as life (all outdoors).