
Vitiate
Negative Connotation
The word 'vitiate' usually suggests harm or corruption, giving a negative tone.

A single mistake may vitiate the entire research project.
Intensity
'Vitiate' implies substantial harm rather than a minor issue.

Overcooking the vegetables vitiated their nutritional value.
Not Physical Damage
'Vitiate' often refers to abstract concepts, like processes or conditions, not physical objects.

Lack of evidence could vitiate the credibility of his testimony.
Compare with
AdulterateContaminateCorruptDebasePolluteRuinSpoilTaint
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