Synonyms of outdoor

1 Syllable
free, yard, woods
2 Syllables
mountain, garden, picnic, patio, hilltop, casual, healthful, rustic
3 Syllables
out-of-doors, outside, exteriors, natural, open-air, informal, alfresco, exterior
4 Syllables
unrestricted, extramural
5 Syllables
invigorating, nature-loving
6 Syllables
extraterritorial