(of a person) tending to spend much time seated; somewhat inactive: we all walk a certain amount every day even if we are sedentary (of work or a way of life) characterized by much sitting and little physical exercise: a sedentary lifestyle spells bad news for hips and thighs (of a position) sitting; seated: he spoke from a sedentary position Zoology &
Anthropology inhabiting the same locality throughout life; not migratory or nomadic: a tribe of sedentary agriculturists Zoology (of an animal) sessile.