Mysterious and difficult to interpret — someone or something that invites curiosity but deflects understanding.
From Greek ainigmatikos, from ainigma (riddle). The Mona Lisa's smile is described as enigmatic more than any other adjective. Da Vinci achieved with paint what the word achieves with sound: an invitation to look closer that never resolves.
The most enigmatic things are not the ones hiding something — they are the ones showing everything and still being unclear. A clear sky is not enigmatic. A smile that could mean anything is. Mystery comes from excess possibility, not absence.
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