Shibui

Also known as shibumi, shibusa

Shibui (渋い) (adjective), shibumi (渋み) (subjective noun), or shibusa (渋さ) (objective noun) are Japanese words that refer to a particular aesthetic of simple, subtle, and unobtrusive beauty. Like other Japanese aesthetics terms, such as iki and wabi-sabi, shibui can apply to a wide variety of subjects, not just art or fashion.