adverb
outside a building (Freq. 3)
-
in summer we play outside
* * *
in or into the open air
food tastes even better out of doors
* * *
adv
: outside rather than inside a building
* * *
out of ˈdoors idiom
not inside a building
•
You should spend more time out of doors in the fresh air.
Useful english dictionary. 2012.