"that is done or used in the open air, not in the house," 1748, from out- + door. Out-of-door is from c. 1800.
badminton and other outdoor games
a beautiful outdoor setting for the wedding
outdoor clothes
outdoor education is the area of teacher training concerned with training for outdoor activities
outcrop
outcry
outdated
outdistance
outdo
outdoor
outdoors
outdoorsman
outen
outer
outermost
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