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English definition of “confidential”

confidential

adjective uk   /ˌkɒn.fɪˈden.ʃəl/ us    /ˌkɑːn-/
C1 secret, often in a formal, business, or military situation: All information will be treated as strictly confidential.
confidentially
adverb uk   /-i/ us  
Can I speak to you confidentially? All information supplied will be treated confidentially.
(Definition of confidential from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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