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English

antediluvial

|an-te-di-lu-vi-al|

C2

🇺🇸

/ˌæn.tə.dɪˈluː.vi.əl/

🇬🇧

/ˌæn.tɪdɪˈluːvɪəl/

before the flood; very old/ancient

Etymology
Etymology Information

'antediluvial' originates from Latin, specifically the word 'antediluvialis', where 'ante' meant 'before' and 'diluvium' meant 'flood'.

Historical Evolution

'antediluvial' changed from the Latin word 'antediluvialis' (used in Late/Medieval Latin) and eventually entered English as 'antediluvial' with the same basic form.

Meaning Changes

Initially, it meant 'before the flood' (literally relating to the Biblical flood), but over time it evolved into its current extended sense of 'extremely old or outmoded'.

Meanings by Part of Speech

Adjective 1

relating to the period before the Biblical Flood (pre‑diluvian).

Scholars discussed antediluvial traditions found in the ancient texts.

Synonyms

pre‑diluvianprehistoricancient

Antonyms

Adjective 2

extremely old-fashioned or outdated; belonging to a much earlier period.

His views on gender roles were antediluvial and out of step with contemporary thought.

Synonyms

Antonyms

Adjective 3

very ancient or primitive in character.

The site yielded antediluvial tools that suggested a very early stage of technological development.

Synonyms

Antonyms

Last updated: 2025/08/21 17:37