na-adjective, noun
sensuously beautiful; voluptuous
Describes a mature, alluring beauty with a strong sensual or seductive quality. Often used for women, but can apply to art or atmosphere. Literary and somewhat formal.
彼女の艶美な姿に誰もが目を奪われた。
Everyone was captivated by her voluptuous figure.
その絵画は艶美な色彩で満ちている。
The painting is filled with sensuously beautiful colors.
Compound of 艶 (en, 'glossy, charming') and 美 (bi, 'beauty'). The exact historical derivation is uncertain, but the combination naturally conveys a rich, sensual beauty.