lieutenantnounmasculine/tɨˈnẽtɨ/mediumte·nen·tePortuguesEnglishEspanolFrancaisDefinitionA junior military officer, usually in charge of a group of soldiers.The lieutenant led the mission.He was promoted to lieutenant.synofficercommanderEtymologyDo latim 'tenens'Related wordstenênciatenente-coroneltenente-general