Save Gender Feminine Usage Japanese (Modern, Rare) Scripts にこり(Japanese Hiragana) ニコリ(Japanese Katakana) Pronounced Pron. [nì.kó̞.ɾí] [key·simplify] Meaning & History This name is written phonetically as にこり/ニコリ, used as an onomatopoeic word (usually written as にっこり (nikkori)) referring to the action of smiling sweetly or grinning.It is extremely rarely used.