This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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v. To reduce the value or impair the quality of.

v. To corrupt morally; debase.

v. To make ineffective; invalidate. See Synonyms at corrupt.

v. to spoil, make faulty; to reduce the value, quality, or effectiveness of something

v. to debase or morally corrupt

v. to violate, to rape

v. to make something ineffective, to invalidate

v. To make vicious, faulty, or imperfect; to render defective; to injure the substance or qualities of; to impair; to contaminate; to spoil

v. To cause to fail of effect, either wholly or in part; to make void; to destroy, as the validity or binding force of an instrument or transaction; to annul.

To render vicious, faulty, or imperfect; injure the quality or substance of; cause to be defective; impair; spoil; corrupt: as, a vitiated taste.

To cause to fail of effect, either in whole or in part; render invalid or of no effect; destroy the validity or binding force of, as of a legal instrument or a transaction; divest of legal value or authority; invalidate: as, any undue influence exerted on a jury vitiates their verdict; fraud vitiates a contact; a court is vitiated by the presence of unqualified persons sitting as members of it.

Synonyms Pollute, Corrupt, etc. (see taint), debase, deprave.

v. corrupt morally or by intemperance or sensuality

v. make imperfect

v. take away the legal force of or render ineffective

"But though there is an inaccuracy in saying that the freezing of water is due to the loss of its heat, no practical error arises from it; nor will a parallel laxity of expression vitiate our statements respecting the multiplication of effects."

vitiated    vitiates    vitiating   

change    modify    alter   

vice    vicious   

annul    degrade    corrupt    impair    spoil