out of fashion

US /aʊt əv ˈfæʃən/
UK /aʊt əv ˈfæʃən/
"out of fashion" picture
1.

no longer popular or in style

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Those bell-bottom jeans are completely out of fashion now.
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His ideas are a bit out of fashion for modern business practices.
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fashionfashionablefashion designerold-fashionedfashion-consciousfashion statementfashion victim