/ ˈsedntri; NAmE -teri/ adjective
1.
( of work, activities, etc. ) in which you spend a lot of time sitting down :
a sedentary job / occupation / lifestyle
2.
( of people ) spending a lot of time sitting down and not moving :
He became increasingly sedentary in later life.
3.
( technical ) ( of people or animals ) that stay and live in the same place or area :
Rhinos are largely sedentary animals.
a sedentary population
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WORD ORIGIN
late 16th cent. (in the sense not migratory ): from French sédentaire or Latin sedentarius , from sedere sit.