- to impair the quality of; make faulty; spoil.
- to impair or weaken the effectiveness of.
- to debase; corrupt; pervert.
- to make legally defective or invalid; invalidate: to vitiate a claim.
Origin of vitiate
Examples from the Web for vitiate
The result will be provisions that are watered down or loopholes that vitiate key provisions altogether.Health Care Strangles Bank Reform!
Jeffrey E. Garten
April 10, 2010
These notions are at least possible, and would they not vitiate your argument?More Letters of Charles Darwin Volume II
Minshew interprets the verb deboshe, "to corrupt, make lewde, vitiate."Microcosmography
Small-pox does not vitiate the blood of a people; this disease does.Searchlights on Health: Light on Dark Corners
Above all, do not, by dint of judging, vitiate your faculty of tasting.
This, however, did not vitiate the titles of these companies to said lands.
- to make faulty or imperfect
- to debase, pervert, or corrupt
- to destroy the force or legal effect of (a deed, etc)to vitiate a contract
Word Origin and History for vitiate
1530s, from Latin vitiatus, past participle of vitiare "to make faulty, injure, spoil, corrupt," from vitium "fault, defect, blemish, crime, vice" (see vice (n.1)). Related: Vitiated; vitiating.