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

“So, Hoop, I’m gonna do something I hardly ever do. I’m gonna give you a second chance. But should you miss even one game or practice for the rest of the year, the deal is off. Null and void. I do not, under any circumstances, give third chances. You understand what I’m saying?”

From Literature

Prasad said the agency would no longer rely on certain study results to approve vaccines for pregnant women, saying “prior promises will be null and void.”

From The Wall Street Journal

“That would be the cleanest way of addressing this particular scenario we’re in right now, because all of these new plans that have been drawn would become null and void,” McGhee said.

From Los Angeles Times

“Therefore, any changes made without you agreeing to them are null and void.”

From MarketWatch

“In cases where people buy properties sight unseen, it would be a stronger case that they made that contract under misleading pretenses and for it to be null and void,” Leben said.

From Slate