All 3 Uses

materialistic
in
Black Boy
(Auto-generated)

To me, my losing was only another manifestation of that queer, material way of American living that computed everything in terms of the concrete: weight, color, race, fur coats, radios, electric refrigerators, cars, money ....It seemed that I simply could not fit into a materialistic life.†
Chpt 2.15

materialistic = too concerned with wealth and possessions
It seemed to me that for the Negro to try to save himself he would have to forget himself and try to save a confused, materialistic nation from its own drift toward self-destruction.†
Chpt 2.16
This was how America had embraced Communism; this was America's first green fruit of materialistic rebellion.†
Chpt 2.19 *

Definitions:

(1) (materialistic)
overly concerned with wealth and possessions at the expense of other interests
(2) (meaning too rare to warrant focus)
Less commonly, in philosophy, materialistic can refer to the belief that everything, including our thoughts, are caused by physical effects over which we have no control.