(1) Extremely old and antiquated. (2) Occurring or belonging to the era before the Flood written about in the Bible. (Ecology) Used sometimes today to denote a public growth and water policy based on an area's natural ability to support population growth only through existing, readily available natural resources, i.e., water.
ANTEDILUVIAN
Meaning of ANTEDILUVIAN in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012