のっぺら ぼう
nopperabō

na-Adjective
no-Adjective

1. smooth; flat; lacking bumps and dents

Usually Written in Kana
na-Adjective
no-Adjective

2. featureless; uneventful

Usually Written in Kana
Noun

3. noppera-bō; mythical being with flat featureless face — explanation

Usually Written in Kana
Other forms: