invalid

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.

Shadow fleet vessels frequently change the flags they fly, a practice known as flag-hopping, or use invalid registrations in an attempt to escape tracking.

From Barron's • Jun. 1, 2026

But an Alberta judge shut down the process, saying the citizens' initiative was invalid because the separatists had failed to consult with Indigenous groups whose rights could be threatened if the province separated from Canada.

From Barron's • May 25, 2026

The basic problem, as these courts identified, is that the government failed to accuse these doctors of any plausibly unlawful conduct, rendering the subpoenas invalid.

From Slate • May 19, 2026

Insurance becomes invalid if you go somewhere where the Foreign Office advises against travel.

From BBC • May 10, 2026

I said I had just left my small estate in the South of France, following the death of my wife, to come to America to stay—temporarily, I made it clear—with an invalid relative.

From "Nine Stories" by J. D. Salinger