As a noun, void means 'emptiness,' both literally and figuratively. To void something means 'to make it invalid.' As an adjective, it means that something is invalid. In the sense of bodily functions, void can also mean to go 'to the bathroom and urinate or defecate.'
The rocket flew into the void.
She felt a void in her life after her boyfriend left her.
The judge voided the contract and nothing could be done about it.
The check was void and he didn't have any other way of paying.
The patient reports a difficulty voiding his bowels.
null and void (adjective): not legally valid: "You used a false name to sign the contract, so it is null and void."
When you make a mistake on a check, you can write "VOID" on it to ensure that no one will be able to cash the check at the bank later. This is called voiding a check.
Did you know?
A similar word to void is vacuum, which also means 'emptiness' and can be used both literally and figuratively.
Void dates back to the second half of the 13th century and comes from the Anglo-French word "voider." That word can be traced to the Vulgar Latin word vocīta, the feminine form of vocītus. These are derived from the Latin vocīvus or vac(ī)vus, which means 'empty.'