dossiernounmasculineformal/duˈsje/mediumdos·si·erPortuguesEnglishEspanolFrancaisDefinitionA collection of documents about a particular person, event, or subject.The intelligence agency compiled a thick dossier on the suspect.She kept a detailed dossier of all her research findings.synfilerecordportfolioCommon collocationssecret dossierpersonal dossiercompile a dossierEtymologyDo francês 'dossier', de 'dos' (costas).Related wordsdossiê