Modern society is often criticized as being too materialistic.

materialistic 是由名词 material（物质）加上形容词后缀 -istic 构成的形容词。material 指"物质、材料"，-istic 表示"具有...性质的"。materialistic 意思是"物质主义的"，指过分重视物质财富和享受的倾向。