mystic /ˈmɪstɪk/adjective 2noun 1forms 3 adjective2 •Of, or relating to mystics, mysticism or occult mysteries; mystical. •Mysterious and strange; arcane, obscure or enigmatic.Taught he not thee—the man of eld, / Whose eyes within his eyes beheld / Heaven's numerous hierarchy span / The mystic gulf from God to man? — 1847 noun1 •Someone who practices mysticism. formsmystics · more mystic · most mystic