1. a formal agreement to get married: "she'd broken off her engagement to Paul"Similarbetrothalbetrothmentmarriage contractarchaic:plighting of one's trothespousalaffianceaffiancinghandfastrare:sponsaliasubarrhation
▪ the duration of an agreement to get married: "a good long engagement to give you time to be sure"
3. the action of engaging or being engaged: "Britain's continued engagement in open trading"Similarparticipationparticipatingtaking partsharingpartakinginvolvementassociation