D defs.my
Entry 1 sense Webster, 1913

Gregarious

/grəg-ĕr'-ē-əs/ · Gre·ga·ri·ous · IPA /ɡɹɪˈɡɛɚ.i.əs/
01 a. Habitually living or moving in flocks or herds; tending to flock or herd together; not habitually solitary or living alone.
  1. 1.
    Habitually living or moving in flocks or herds; tending to flock or herd together; not habitually solitary or living alone.
    “No birds of prey are gregarious.” Ray.