na-adjective, noun
A loanword used as a na-adjective or noun to describe something that is no longer current, fashionable, or valid. Often applied to technology, information, or style.
このソフトウェアはもうアウトオブデートだ。
This software is already out of date.
アウトオブデートな情報を使わないでください。
Please don't use outdated information.