antediluvial C2+ Topic:Time US /ˌæntɪdɪˈluviəl/ UK /ˌæntɪdɪˈluːviəl/ See IPA manual Meanings 1 adj belonging to the period before the biblical flood; extremely ancient The fossil dated from an antediluvial epoch. Thesaurus Synonyms 1 adj · belonging to the period... antediluvianancientprimevalprehistoricarchaic ↔ Opposites modernpostdiluviancontemporary Word family Related forms antediluviandiluvialdeluge Etymology AI details From Latin ante- ('before') + dīluvium ('flood, deluge'), from dīluere ('to wash away'), from dis- ('apart') + luere ('to wash'). ante Old French dīluvium Latin View etymology graph -> Topics Time Word Formation & Derivatives Register & Style External links Cambridge Dictionary Wiktionary Google Images # antediluvial **Type:** Word **Level:** C2+ **Part of speech:** adj **IPA (US):** /ˌæntɪdɪˈluviəl/ **IPA (UK):** /ˌæntɪdɪˈluːviəl/ ## Meanings 1. belonging to the period before the biblical flood; extremely ancient ## Examples - The fossil dated from an antediluvial epoch. ## Synonyms - antediluvian - ancient - primeval - prehistoric - archaic ## Antonyms - modern - postdiluvian - contemporary ## Related Forms - antediluvian - diluvial - deluge ## Roots and Affixes - Root: ante - Root: dīluvium ## Etymology From Latin ante- ('before') + dīluvium ('flood, deluge'), from dīluere ('to wash away'), from dis- ('apart') + luere ('to wash'). ## AI Etymology Antediluvial is from Latin ante- ('before') + dīluvium ('flood, deluge'), from dīluere ('to wash away'), from dis- ('apart') + luere ('to wash'). In present-day use, it means belonging to the period before the biblical flood; extremely ancient. Related vocabulary includes antediluvian, diluvial, and deluge. ## Topics - Time - Word Formation & Derivatives - Register & Style markdown