Synonyms

null and void

Idioms

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.

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.

See Examples For:

null and void

Leader Naim Qassem said on Saturday that the group would treat the deal as "null and void" and described it as "a surrender of sovereignty".

From Barron's ● Jun. 28, 2026

Rajoelina rejected the vote, calling it "null and void".

From BBC ● Oct. 14, 2025

This sweeping power, DOJ has concluded, deprived Boasberg of jurisdiction over the migrants, rendering his orders null and void.

From Slate ● Mar. 17, 2025

In December, Machado filed a claim with the tribunal, Venezuela’s highest court, arguing the ban was null and void and seeking an injunction to protect her political rights.

From Seattle Times ● Jan. 29, 2024

When my grandmother passed away, that application became null and void.

From "Americanized" by Sara Saedi

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023