antediluvian
C2Pronunciation
UK
- /ˌæntiːdɪlˈuːviən/
US
- /ˌæn.ti.dəˈlu.vi.ən/
- /ˌæn.tə(ˌ)daɪˈlu.vi.ən/
Description
- pre-Flood (biblical)
- extremely old
- ancient
- old-fashioned
- outdated
Imagine a time so long ago it feels like myth – that's the kind of age "antediluvian" evokes. The word literally refers to before the biblical Great Flood (the Deluge), but now we use it to describe anything incredibly old-fashioned, outdated, or belonging to a very distant past. You might call your grandfather's rotary phone antediluvian, or an idea that hasn't changed in centuries. It suggests something so ancient it feels almost prehistoric—like it belongs with cave paintings or a world of dinosaurs.
"Antediluvian" comes from the Latin ante diluvium, meaning "before the flood." Historically, it referred specifically to the time period before the biblical Great Flood described in Genesis. However, over time, its meaning has broadened significantly. Today, we use "antediluvian" not necessarily to pinpoint a specific historical era, but rather to describe something remarkably old and often out of touch with modern times.
It's more than just old; it implies an age so distant that the thing being described feels primitive or obsolete. You might say a political system is "antediluvian" if it hasn't adapted to changing social norms, or describe someone's views as "antediluvian" if they cling stubbornly to outdated beliefs.
The word carries a slightly humorous and often critical tone – suggesting that something isn't just old, but should be replaced with something more modern. It's not typically used for valuable antiques cherished for their age, but rather for things considered hopelessly behind the times. For example: "His antediluvian methods of teaching bored the students to tears" or "The library's card catalog system felt positively antediluvian in the age of digital databases."
So, when you encounter something that feels like it belongs to a bygone era – something ancient, outdated, and perhaps even a little comical – chances are, it's decidedly antediluvian.
Examples
- 1
Outdated technology
The company still relies on an antediluvian computer system that crashes every week.
Usage
often used humorously to describe something extremely old-fashioned
- 2
Club rules
Some of the club's rules feel antediluvian in 2026.
- 3
Outdated attitudes
He made an antediluvian remark about who should stay home with the children.
Forms and spellings
1 form open this card.
Main spelling
- antediluvianadjectivenoun