ARCANUM Synonyms

• something that should remain hidden from others (especially information that is not to be passed on)

• information known only to a special group

• something that baffles understanding and cannot be explained

• not open or public; kept private or not revealed

• conducted with or marked by hidden aims or methods

• not openly made known

• communicated covertly

• not expressed

• designed to elude detection

• hidden from general view or use

• (of information) given in confidence or in secret

• indulging only covertly

• having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding

• the next to highest level of official classification for documents

• a message written in a secret code

• a mathematical element that when added to another number yields the same number

• a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential

• a person of no influence

• a secret method of writing

• convert ordinary language into code

• make a mathematical calculation or computation

• a difficult problem

• a piece of writing in code or cipher

• something that baffles understanding and cannot be explained

• a difficult problem

• something that baffles understanding and cannot be explained

• a story about a crime (usually murder) presented as a novel or play or movie

• a particularly baffling problem that is said to have a correct solution

• a game that tests your ingenuity

• be a mystery or bewildering to

• be uncertain about; think about without fully understanding or being able to decide

• a difficult problem

• a coarse sieve (as for gravel)

• pierce with many holes

• set a difficult problem or riddle

• separate with a riddle, as grain from chaff

• spread or diffuse through

• speak in riddles

• explain a riddle