Kanji characters outside of the jōyō kanji and jinmeiyō kanji lists. For example, 攪.

council

(neologism, slang) fan who expresses vocal support for one's idol but makes no expenditure for them

(Internet slang) kana initials

a small person / (archaic) a weak archer

bleaching

bleach

dog tag

a leopard seal

Not included in a table or list. / (specifically, of Chinese characters or their readings) Not included in the 常(じょう)用(よう)漢(かん)字(じ)表(ひょう) (jōyō kanji hyō), the official kanji list for general use.