A cryptic crossword.
Having hidden meaning.
Mystified or of an obscure nature.
Involving use of a code or cipher.
Of a crossword, or a clue in such a crossword, using, in addition to definitions, wordplay such as anagrams, homophones and hidden words to indicate solutions.
Well camouflaged; having good camouflage.
Lonomia caterpillars are extremely cryptic.
Serving as camouflage.
cryptic colouring
Apparently identical, but actually genetically distinct.
cryptic species
Living in a cavity or small cave.