antediluvian

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++an·te·di·lu·vi·an /ˌæntɪdəˈluːviən◂/ adjective formal OLD-FASHIONEDvery old-fashioned 老式的，陈旧的，过时的 SYN outdated antediluvian ideas about women 关于女性的陈旧观念

Examples from the Corpus

antediluvian• Most guys he met thought this was too far out, positively antediluvian.• Regrettably, this illogical and antediluvian attitude still persists even when we are dealing with nations substantially richer than ourselves.• antediluvian attitudes toward the disabledOrigin antediluvian (1600-1700) ante- + Latin diluvium “flood”