antediluvian
an
ˌæn
ān
te
ti
ti
di
di
lu
ˈlu:
loo
vian
viən
viēn

Definition & Meaning of "antediluvian"in English

Antediluvian
01

(in biblical context) one of the patriarchs said to have lived before the flood of Noah 

Grammatical Information
Animacy status
Human
Composition
Compound
Countable
Plural form
antediluvians
Examples
Methuselah is perhaps the most famous antediluvian. 
1.1

a person who is extremely old or considered old-fashioned 

Examples
The town's oldest resident was affectionately called the antediluvian. 
antediluvian
01

connected to the time before the biblical flood described in the story of Noah 

Grammatical Information
Composition
Compound
relational
ungradable
Examples
The fossils were thought to be from an antediluvian era. 
02

extremely old, primitive, or outdated 

Informal
Examples
His antediluvian beliefs about gender roles seemed completely out of place in today's world. 
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