Which of the following words is closest in meaning to “Cryptic”?

Cryptic means obscure; having a hidden meaning.

• Correct answer - obscure: it has the same meaning as Cryptic.
• written: put in writing - wrong, it does not mean the same as Cryptic.
• dead: no longer alive - wrong, it does not mean the same as Cryptic.
• copied: reproduced - wrong, it does not mean the same as Cryptic.