Antediluvian
Adjectiveप्राचीन, पुरातन
Definition
Extremely old; antiquated.
Contextual Sentence: "The antediluvian machinery in the factory was still in use despite its age."
💡 Memory Hook (Mnemonic): Break it into 'ante' (before) + 'diluvian' (like 'deluge'), suggesting time before the great flood (biblical reference).
Synonyms
ancient
archaic
antedated
Antonyms
modern
contemporary
up-to-date