bygonePronunciation: /ˈbʌɪgɒn/Translate bygone | into French | into German | into Italian | into Spanish Definition of bygone adjective belonging to an earlier time:relics of a bygone age noun (usually bygones) a thing dating from an earlier time: the museum consists of a fascinating collection of rural bygonesPhrases let bygones be bygones forget past offences or causes of conflict and be reconciled. bygone in other Oxford dictionaries Definition of bygone in the US English dictionary
