Also of non-gregarious species like the nightingale in which the males arrive in this country several days before the females.
We called him non-gregarious all the way after that—Non for short.
Roden knew it for a vulture, of the black and non-gregarious kind.
Reflection is "wicked" for it leads to doubt, and doubt is non-gregarious behavior.
1660s, "living in flocks" (of animals), from Latin gregarius "pertaining to a flock; of the herd, of the common sort, common," from grex (genitive gregis) "flock, herd," reduplication of PIE root *ger- "to gather together, assemble" (cf. Greek ageirein "to assemble," agora "assembly;" Old Church Slavonic grusti "handful;" Lithuanian gurgulys "chaos, confusion," gurguole "crowd, mass"). Sense of "sociable" first recorded 1789. Related: Gregariously; gregariousness.