1
law
: having no legal force or effect
The contract is void.
This sales offer is void where prohibited by law.
—often used in the phrase null and voidThe law was declared null and void.
2
formal
: not containing anything : empty
a void space
plural voids
: a large empty space
the great voids between galaxies
—often used figurativelyAfter she left, there was a void in my life.
When he retires, it will be hard to find someone to fill the void.
voids; voided; voiding
law
: to make (something) invalid : to say that (something) is no longer in effect
The judge voided the contract.
Any unauthorized repairs will void the warranty.
Cite this Entry
“Void.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/void. Accessed 17 Apr. 2026.
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