diaphaneity (noun) delicacy: daintiness, fineness of structure
Sinonime: blank, dead*, deadpan, dull, empty, fish-eyed, impassive, inexpressive, inscrutable, lackluster, lusterless, nobody home, poker-faced, stolid, straight-faced, stupid*, unexpressive, vacant, vacuous, wooden
Antonime: coarseness, heaviness, indelicacy, inelegance, robustness, roughness