へいへいぼんぼん

平々凡々

表記・読み：平平凡凡・へいへいぼんぼん

1. 1

   very ordinary; mediocre; all-too-common; quite commonplace

   形容動詞nouns which may take the genitive case particle 'no''taru' adjective副詞（と）yojijukugo