Shibui (渋い) (adjective), shibumi (渋み) (noun), or shibusa (渋さ) (noun) are Japanese words which refer to a particular aesthetic of simple, subtle, and unobtrusive beauty. Like other Japanese aesthetic terms, such as iki and wabi-sabi, shibui can apply to a wide variety of subjects, not just art or fashion.
== Defining shibui or shibusa ==
Shibusa is an enriched, subdued appearance or experience of intrinsically fine quality with economy of form, line, and effort, producing a timeless tranquility. Shibusa includes the following essential qualities:
(1) Shibui objects appear to be simple overall but...