invalidated - Definitions from Dictionary.com

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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

in·val·i·date

Audio Help [in-val-i-deyt] Pronunciation Key

–verb (used with object), -dat·ed, -dat·ing.

1.	to render invalid; discredit.

2.	to deprive of legal force or efficacy; nullify.

[Origin: 1640–50; invalid² + -ate¹

]

—Related forms

in·val·i·da·tion, noun

in·val·i·da·tor, noun

—Synonyms 1. weaken, impair; disprove, refute, rebut.

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

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invalidated

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American Heritage Dictionary - Cite This Source - Share This

in·val·i·date Audio Help (ĭn-vāl'ĭ-dāt') Pronunciation Key
tr.v. in·val·i·dat·ed, in·val·i·dat·ing, in·val·i·dates
To make invalid; nullify.

in·val'i·da'tion n., in·val'i·da'tor n.

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WordNet - Cite This Source - Share This

invalidated
adjective
deprived of legal force

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