American Idioms – Idiom Wizard Lists Over 5,500 Idioms & Slang Descriptions

Out of date


Old fashioned. Outdated. Retro.  Out of fashion. If I wear a suit coat with wide lapels in 2020, my appearance will be out of date. If I refer to Russia as the USSR, my knowledge is out of date. (Compare to Out of joint.)

“Your information about the moon is way out of date.”

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