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downgrade  (downgrades 3rd person present) (downgrading present participle) (downgraded past tense & past participle )
1  verb If something is downgraded, it is given less importance than it used to have or than you think it should have., (Antonym: upgrade)  The boy's condition has been downgraded from critical to serious...  be V-ed 
2  verb If someone is downgraded, their job or status is changed so that they become less important or receive less money.  (=demote)  (Antonym: upgrade)  There was no criticism of her work until after she was downgraded...  be V-ed