Hidden
dark
hidden
Hidden, covered, censored, blocked
secret veiled
covert unseen hidden masked disguised
covert, hidden, unseen
it is a fancy word for hidden
Truncated or hidden from view
Crypt is a word meaning hidden. Therefore, cryptology is the study of hidden information, encryption means to make hidden, and cryptic is that something's meaning is hidden. Another word is cryptography, which means hidden writing.
Hidden in Plain View was created in 2000.
Hidden in Plain View ended in 2007.