alarmnounmasculine/ɐˈlaʁ.mɨ/mediuma·lar·mePortuguesEnglishEspanolFrancaisDefinitionA device that makes a loud noise to warn of danger or to signal an event.The fire alarm went off in the building.He set his alarm for 6 AM.synalertwarningCommon collocationsfire alarmsecurity alarmEtymologyDo francês 'alarme'Related wordsalarmaralarmante