Antediluvian

Thursday, November 27, 2025
Word of the Day

What is Antediluvian?

adjective
Ridiculously old-fashioned; belonging to the time before the biblical Flood.

Pronunciation

US pronunciation: /ˌæn.ti.dɪˈluː.vi.ən/
UK pronunciation: /ˌæn.ti.dɪˈluː.vi.ən/
Slow pronunciation: an-tee-dih-LOO-vee-un

Meaning Explained

Antediluvian is playful hyperbole for relic ideas and creaky tech.

Why This Word?

Chosen to invite upgrades where tradition has calcified.

Examples of Use

Here's how this word appears in everyday language:

  • Antediluvian rules blocked remote work.
  • The museum preserves antediluvian machinery.
  • He mocked their antediluvian attitudes.

Word Origins

Latin ante- “before” + diluvium “flood”

Literal biblical sense broadened to “very old.”

First appearance in English: 17th century

Word Family

Related forms of this word:

  • Adjective: archaic

    Archaic protocols slowed onboarding.

  • Adjective: obsolete

    Obsolete gear filled the closet.

  • Adjective: superannuated

    Superannuated forms lingered in HR.

Around the World

How this word appears in other languages:

  • Spanish: antediluviano
  • French: antédiluvien
  • German: vorsintflutlich
  • Italian: antediluviano
  • Portuguese: antediluviano

If you Already Know This Word

If you've mastered this word, try these more advanced alternatives:

Obsolete

No longer used; antediluvian is absurdly old-fashioned.

Primeval

Ancient in time; antediluvian is humorous hyperbole.

Paleolithic

Specific prehistoric period; antediluvian is figurative.

Fun Facts

  • Geologists once used “Diluvium” for flood-laid deposits.
  • Cartoons exploit the word for comic exaggeration.

Cultural Usage

  • Victorian authors loved antediluvian imagery for deep time.
  • Critics call legacy stacks antediluvian when unmaintained.

Common Mistakes

Not “antedilution”; unrelated business term.

Micro Story

Their antediluvian filing system relied on fax machines.