null and void

Idioms  

1. Canceled, invalid, as in The lease is now null and void. This phrase is actually redundant, since null means “void,” that is, “ineffective.” It was first recorded in 1669.

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Example Sentences

See Examples For:

null and void

These contracts, he said, unconstitutionally treat children as property, rendering them null and void.

From Slate ● May 13, 2026

"This violation irreparably undermines the integrity of the resulting referendum vote and renders it null and void," the court said.

From Barron's ● May 8, 2026

The government said the agreement was "null and void" and a violation of its sovereignty.

From BBC ● Jan. 2, 2024

“That permit became null and void when she passed away,” Perry said.

From Los Angeles Times ● Dec. 10, 2023

The number erases all that has gone before, stamps it null and void.

From "X: A Novel" by Ilyasah Shabazz