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English definition of “whom”

whom

pronoun uk   /huːm/ formal us  
B2 used instead of 'who' as the object of a verb or preposition: I met a man with whom I used to work. He took out a photo of his son, whom he adores. There were 500 passengers, of whom 121 drowned. To whom do you wish to speak?Relative forms
Grammar
(Definition of whom from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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