a. [ L. limpidus; akin to Gr. la`mpein to shine: cf. F. limpide. Cf. Lamp. ] 1. Characterized by clearness or transparency; clear; as, a limpid stream. [ 1913 Webster ]
Springs which were clear, fresh, and limpid. Woodward.
2. Clear and unambiguous; lucid; easy to understand; -- of speech and writing; as, limpid prose. [ PJC ]
3. Calm, untroubled, and without worry; serene. [ PJC ]