单词	vitiate
释义	vitiatevi‧ti‧ate /ˈvɪʃieɪt/ verb [transitive] formal Word Origin WORD ORIGINvitiate Origin: 1500-1600 Latin past participle of vitiare, from vitium; ➔ VICE Verb Table VERB TABLE vitiate Simple Form Present I, you, we, they vitiate he, she, it vitiates Past I, you, he, she, it, we, they vitiated Present perfect I, you, we, they have vitiated he, she, it has vitiated Past perfect I, you, he, she, it, we, they had vitiated Future I, you, he, she, it, we, they will vitiate Future perfect I, you, he, she, it, we, they will have vitiated Continuous Form Present I am vitiating he, she, it is vitiating you, we, they are vitiating Past I, he, she, it was vitiating you, we, they were vitiating Present perfect I, you, we, they have been vitiating he, she, it has been vitiating Past perfect I, you, he, she, it, we, they had been vitiating Future I, you, he, she, it, we, they will be vitiating Future perfect I, you, he, she, it, we, they will have been vitiating Examples EXAMPLES FROM OTHER DICTIONARIES Changes at this point may actually vitiate the entire system. EXAMPLES FROM THE CORPUS Also, if the material is soft it may buckle easily at the inner side of the bend and vitiate the result. Sadly, they are vitiated by technical problems. The attempt to do just this, pursued with inappropriate insistence, ultimately vitiated the Leavisite campaign. to make something less effective or spoil it
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