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English definition of “write sb/sth off”

write sb/sth off

verb uk phrasal verb with write   /raɪt/ (wrote, written or old use writ) us  
C2 to decide that a particular person or thing will not be useful, important, or successful: A lot of companies seem to write people off if they're over 50.Treating as unimportantNeglecting and ignoringNot paying attention
(Definition of write sb/sth off from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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