prisonernounmasculine/pɾi.zi.oˈne.i.ɾu/mediumpri·si·oei·roPortuguesEnglishEspanolFrancaisDefinitionA person who is detained in a prison.The prisoner was released after five years.Prisoners have rights that must be respected.syndetaineeconvictCommon collocationsrelease a prisonerpolitical prisonerEtymologyDo latim 'prisionarius'Related wordsprisioneiraprisionamentoprisão