ないしん

内心

表記・読み：ないしん

1. 1

   inner thoughts; real intention; inmost heart; one's mind

   名詞nouns which may take the genitive case particle 'no'
2. 2

   at heart; deep down; on the inside

   名詞副詞
3. 3

   inner center (centre)

   名詞mathematics