View synonyms for invalidate

invalidate

[ in-val-i-deyt ]

Phonetic (Standard)IPA

verb (used with object)

, in·val·i·dat·ed, in·val·i·dat·ing.

to render invalid; discredit.
Synonyms: rebut, refute, disprove, impair, weaken
to deprive of legal force or efficacy; nullify.

invalidate

/ ɪnˈvælɪˌdeɪt /

First recorded in 1640–50; invalid ² + -ate ¹

However, in an encouraging sign for clinics—and common sense—the narrow ruling does not invalidate buffer zones in general.

While the Court did not invalidate Section 5, it did rule Section 4(b) unconstitutional.

The gun lobby is currently funding lawsuits all over America, trying to invalidate local, state, and federal gun restrictions.

Is the Supreme Court going to invalidate campaign finance laws further in the aftermath of its 2010 decision in Citizens United?

A consortium of scientists and the American Civil Liberties Union eventually sued to invalidate the patents a few years ago.

Here and there roving parties appeared, but having no recognized leaders, their existence did not invalidate the treaty.

A foreign patent in order to invalidate an American patent must antedate the invention patented.

He has indeed fought the letter, and perhaps come off victorious; but does he invalidate its spirit?

Provided, that no omission of any of the foregoing duties on the part of an Umpire shall of itself invalidate a game or match.

This does not by any means invalidate the idea that Voice Culture is properly a subject for scientific regulation.

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