■ adjective
1》 mysterious or obscure in meaning.
↘(of a crossword) having difficult clues which indicate the solutions indirectly.
2》 Zoology (of coloration or markings) serving to camouflage an animal in its natural environment.
Derivatives
~ally adverb
Origin
C17: from late L. ~us , from Gk kruptikos , from kruptos 'hidden'.