All 7 Uses of

materialistic
in
This Side of Paradise

Not that he doubted the war—Germany stood for everything repugnant to him; for materialism and the direction of tremendous licentious force; it was just that Burne's face stayed in his memory and he was sick of the hysteria he was beginning to hear.†
Chpt 1.4

Somehow Amory's dissatisfaction with his lack of enthusiasm culminated in an attempt to put the blame for the whole war on the ancestors of his generation...all the people who cheered for Germany in 1870....All the materialists rampant, all the idolizers of German science and efficiency.†
Chpt 1.4

There are times when I think of the men out there as Roman legionaries, miles from their corrupt city, stemming back the hordes...hordes a little more menacing, after all, than the corrupt city...another blind blow at the race, furies that we passed with ovations years ago, over whose corpses we bleated triumphantly all through the Victorian era.... And afterward an out-and-out materialistic world—and the Catholic Church.†
Chpt 1.4 *

materialistic = too concerned with wealth and possessions

So now I know I'm a materialist and I was fraternizing with the hay when you came out and stood by the woods, scared to death.†
Chpt 2.3

"Oh, I suppose heaven would, if there was one," she said finally, "a sort of pagan heaven—you ought to be a materialist," she continued irrelevantly.†
Chpt 2.3

His materialism, always a thin cloak, was torn to shreds by Eleanor's blasphemy....She knew it and it angered him that she knew it.†
Chpt 2.3

Definitions:

(1) (materialistic)
overly concerned with wealth and possessions at the expense of other interests
(2) (meaning too rare to warrant focus)
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.