This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. One that is puzzling, ambiguous, or inexplicable.

n. A perplexing speech or text; a riddle.

n. Something puzzling, mysterious or inexplicable.

n. A riddle, or a difficult problem.

n. A dark, obscure, or inexplicable saying; a riddle; a statement, the hidden meaning of which is to be discovered or guessed.

n. An action, mode of action, or thing, which cannot be satisfactorily explained; a puzzle.

n. A dark saying or representation, in which some known thing is concealed under obscure words or forms; a question, saying, figure, or design containing a hidden meaning which is proposed for discovery; a riddle.

n. Anything inexplicable to an observer, such as the means by which something is effected, the motive for a course of conduct, the cause of a phenomenon, etc.: as, how it was done is an enigma; his conduct is to me an enigma.

n. a difficult problem

n. something that baffles understanding and cannot be explained

"Suffice it to say here that this triple enigma is as comforting as wine and open as an English fireside; that this thing that bewilders the intellect utterly quiets the heart: but out of the desert, from the dry places and, the dreadful suns, come the cruel children of the lonely God; the real Unitarians who with scimitar in hand have laid waste the world."

problem    perplexity   

a riddle wrapped up in an enigma    Enigma machine    enigmatic   

riddle    puzzle    question    mystery   

sigma    stigma   

riddle    paradox    puzzle    conundrum    dilemma    inconsistency    anachronism    muddle    anomaly    intricacy