out-of-date

American  

[out-uhv-deyt] / ˈaʊt əvˈdeɪt /

adjective

1. gone out of style or fashion; outmoded; obsolete.

   out-of-date fashions; out-of-date ideas.

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out of date British  

adjective

1. no longer valid, current, or fashionable; outmoded

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out of date Idioms  

1. Too old to be used, past the point of expiration, as in This milk is out of date . [Early 1600s]

2. Old-fashioned, no longer in style, as in Dean has three suits but they're all out of date . [Early 1800s]

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Other Word Forms

• out-of-dateness noun

Etymology

Origin of out-of-date

First recorded in 1620–30

Example Sentences

Designed by Edward Durell Stone, it suffers from the out-of-date look of similar 1960s architecture.

From The Wall Street Journal

According to him, both the public and designers are no longer looking for one-season pieces which are quickly out-of-date, instead opting for styling that will stand the test of time.

From Barron's

Inspectors found that at both hospitals the service had many out-of-date policies and clinical guidelines, including those covering baby abduction and sepsis management.

From BBC

He said the hacker groups usually target out-of-date or unpatched security systems, or use traditional phishing methods—baiting users with fake emails or texts.

From The Wall Street Journal

There was an out-of-date webpage with a security issue on it that didn’t work on any of the humans’ web browsers.

From The Wall Street Journal

Related Words

• antiquated
• archaic
• obsolete
• outmoded