sedentary UK /ˈsɛd.ən.tə.ɹi/US /ˈsɛd.ən.tɛɹ.i/adjective 5noun 1forms 3 adjective5 •Not moving; relatively still; staying in the vicinity.The oyster is a sedentary mollusk; the barnacles are sedentary crustaceans. •Of a human population, living in a fixed geographical location. •Of a job, lifestyle, etc., not moving much; sitting around; inactive.[…]the Egyptians; whose Sages were not sedentary, scholastic Sophists, like the Grecian[…] — 1765 •Inactive; motionless; sluggish; tranquil.Such restless revolution day by day Repeated, while the sedentary earth That better might with far less compass move[…] — 1667 •(no longer used) Caused by long sitting.till length of years And sedentary numbness craze my limbs To a contemptible old age obscure. — 1671 noun1 •A sedentary person.With the decline and eventual downfall of the south, it was their relationship with the Arab sedentaries of the north which assumed greater importance — 2005 formssedentaries · more sedentary · most sedentary