out-of-date

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But some viruses are adept at changing their appearance – or mutating – so vaccines can quickly go out of date.

From BBC • Jun. 4, 2026

Federal investigators should examine what the security policies were, what type of attacks they were designed to prevent, and whether that protocol was out of date, Shortland said.

From Los Angeles Times • Apr. 26, 2026

Read: ‘It’s out of date to think about a retirement age.’

From MarketWatch • Mar. 24, 2026

But as the oceans have been warming rapidly, that old 30-year average can be out of date.

From Barron's • Mar. 2, 2026

The centaur did not like to be told that any part of his system was out of date.

From "Artemis Fowl" by Eoin Colfer