gregarious
/grɪˈgeərɪəs/adjective
1- (of a person) fond of company; sociable合群的; 好交友的：
he was a popular and gregarious man.
他是个讨人喜欢的、爱交朋友的人。
1.1
- (of animals) living in flocks or loosely organized communities（动物）群居的：
gregarious species forage in flocks from colonies or roosts.
群居动物从聚居地或栖息地成群结队地外出觅食。
1.2
- (of plants) growing in open clusters or in pure associations（植物）聚生的。
派生词
gregariously
adverbgregariousness
noun词源
mid 17th cent.: from Latin gregarius （from grex, greg- 'a flock'） + -OUS.