a. The quality or condition of being unknown: “Even utter obscurity need not be an obstacle to [political] success”(New Republic).
b. One that is unknown.
a. The quality or condition of being imperfectly known or difficult to understand: “writings meant to be understood . . . by all, composed without deliberate obscurity or hidden motives”(National Review).
b. An instance of being imperfectly known or difficult to understand.