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Definitions

invalidate

[in-val-i-deyt] / ɪnˈvæl ɪˌdeɪt /


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.

Even more fundamentally, Jay pointed out that the attorney general’s theory would invalidate Florida’s adoption laws.

From Slate • May 13, 2026

One doctor never examined her, while another barely spoke to her; either of these issues could invalidate competency declarations and expose medical misconduct, fraud and/or conspiracy.

From MarketWatch • Mar. 19, 2026

US District Judge Royce Lamberth endorsed Revolution Wind's request to invalidate the US Interior Department's move to suspend the project off the coast of Rhode Island.

From Barron's • Jan. 12, 2026

“The recent attack doesn’t invalidate that strategy; it reinforces it.”

From The Wall Street Journal • Dec. 14, 2025

The half-broken mini blind that would surely invalidate their deposit if they ever moved out.

From "We'll Fly Away" by Bryan Bliss




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