antediluvian
adjective/ˌæntidɪˈluːviən/
/ˌæntidɪˈluːviən/
(formal or humorous)- very old-fashioned
- criticism of Britain’s antediluvian blasphemy law
Word Originmid 17th cent.: from ante- + Latin diluvium ‘deluge’ + -an.Definitions on the go
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antediluvian