/ grɪˈgeəriəs; NAmE -ˈger-/ adjective
1.
liking to be with other people
SYN sociable
2.
( biology ) ( of animals or birds ) living in groups
► gre·gari·ous·ly adverb
► gre·gari·ous·ness noun [ U ]
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WORD ORIGIN
mid 17th cent.: from Latin gregarius (from grex , greg- a flock) + -ous .