antediluvian

/ˌæntidɪˈluːviən/
noun
  1. A person who lived before the biblical Flood; an extremely old or old-fashioned person.
    • The old professor was something of an antediluvian, refusing to use email.
    • He joked that his grandmother was an antediluvian who still used a rotary phone.
    • In the story, the antediluvians had very long lifespans.
adjective
  1. Extremely old, old-fashioned, or outdated; from a time before the biblical Flood.
    • They discovered antediluvian tools in the cave.
    • My grandfather still uses an antediluvian typewriter in his study.
    • The company's antediluvian policies frustrated the younger employees.
Antonyms
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