Enigma
Pronunciation : E*nig"ma
Part of Speech : n.;
Etymology : [L. aenigma, Gr.
Definition : 1. A dark, obscure, or inexplicable saying; a riddle; a statement, the hidden meaning of which is to be discovered or guessed. A custom was among the ancients of proposing an enigma at festivals. Pope.
2. An action, mode of action, or thing, which cannot be satisfactorily explained; a puzzle; as, his conduct is an enigma.
pl. Enigmas.
Source : Webster's Unabridged Dictionary, 1913