[adjective] [esp. humorous] - extremely old-fashionedTheir production techniques are positively antediluvian by modern standards.My mother has some hopelessly antediluvian ideas about the role of women - she expects my girlfriend to iron my shirts for me!
ANTEDILUVIAN
Meaning of ANTEDILUVIAN in English
Cambridge English vocab. Кембриджский английский словарь. 2012