昧まい爽そうMeanings1noundawn; daybreakdated termDated literary term for the early morning twilight; not used in everyday conversation. Modern equivalents include 夜明け or 明け方.古こ典てんでは「昧まい爽そう」は夜よ明あけ前まえの薄うす暗ぐらい時じ間かんを指さす。In classical texts, '昧爽' refers to the dim time just before dawn.