antediluvian

an-tee-di-LOO-vee-uhn, adjective

Ridiculously old-fashioned; ancient.

“The office ran on an antediluvian fax machine nobody dared unplug.”

Where antediluvian comes from

Latin for before the flood, meaning the one in the story of Noah.

Difficulty: advanced. One of 440 entries written and checked by hand.

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ephemeral Lasting for a very short time.
pernicious Having a harmful effect, especially in a gradual or subtle way.
capricious Given to sudden, unpredictable changes of mood or behavior.
gregarious Fond of company; sociable.
laconic Using very few words; terse to the point of seeming curt.
magnanimous Generous or forgiving, especially toward a rival or someone less powerful.
obfuscate To deliberately make something unclear or difficult to understand.
sycophant A person who flatters the powerful to gain advantage.