Definition of sedentary

• a. - Accustomed to sit much or long; as, a sedentary man.
• a. - Characterized by, or requiring, much sitting; as, a sedentary employment; a sedentary life.
• a. - Inactive; motionless; sluggish; hence, calm; tranquil.
• a. - Caused by long sitting.
• a. - Remaining in one place, especially when firmly attached to some object; as, the oyster is a sedentary mollusk; the barnacles are sedentary crustaceans.