gre ‧ gar ‧ i ‧ ous /ɡrɪˈɡeəriəs $ -ˈɡer-/ BrE AmE adjective
[ Date: 1600-1700 ; Origin: gregarius , from grex 'group of animals' ]
1 . friendly and preferring to be with other people SYN sociable OPP solitary
2 . technical gregarious animals tend to live in a group OPP solitary
—gregariously adverb
—gregariousness noun [uncountable]