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Definitions

invalid

[in-vuh-lid] / ˈɪn və lɪd /




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.

While tinkering in his basement laboratory, he used it regularly to communicate with his invalid wife, who was confined to her bedroom upstairs.

From The Wall Street Journal • Apr. 12, 2026

District Judge Royce Lamberth's order comes 10 days after he ruled that President Donald Trump's pick to oversee mass layoffs at VOA was unlawfully appointed, rendering the job cuts invalid.

From Barron's • Mar. 17, 2026

Some candidates who submitted petitions by the March 4 deadline failed to qualify because some of their signatures were deemed invalid.

From Los Angeles Times • Mar. 14, 2026

In just one news cycle, businesses learned that reciprocal tariffs were invalid, that a new global tariff would soon become effective and that fast-track government investigations could lead to additional duties.

From MarketWatch • Feb. 23, 2026

He was an invalid, and it fell to the charity boys to bring him his meals.

From "Strange the Dreamer" by Laini Taylor




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