cryptic

/ˈkɹɪptɪk/adjective

Carrying a meaning that is hidden or hard to work out.

Example sentences

“He left a cryptic message that nobody in the office could interpret.”
“The poem's cryptic final line has puzzled readers for years.”

The 'cryptic crossword' is a whole British puzzle genre built on this word. Same Greek root, hidden, as 'crypt' and 'encryption'.

Related words

cubicleA small enclosed section of a larger room, often serving as an individual workspace in an office.crutchA support, usually fitted under the armpit, that helps an injured person walk by taking weight off a leg.cuisineA style of cooking, especially one linked to a particular country or region.crunchyMaking a crisp sound when bitten or pressed, as certain foods do when eaten.culminate(of a star, planet, or other heavenly body) To reach the highest point of its path across the sky.cruiseA trip by ship or boat, usually one taken for enjoyment.