adjective
BAD : In today's material society, most people think only about money.
GOOD : In today's materialistic society, most people think only about money.
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material = connected with the physical needs that people have (as opposed to spiritual or intellectual needs): 'In material terms they are very well off, but spiritually they are deprived.'
materialistic = believing that money and the things that money can buy are more important than anything else: 'Modern society is becoming increasingly materialistic.' See MENTAL 2