Top matchCommonないしん内心naishinNoun, Noun which may take the genitive case particle 'no'inner thoughts; real intention; inmost heart; one's mind政治家は決して内心を見せない。Politicians never tell us their inner thoughts.Noun, Adverb (fukushi)at heart; deep down; on the insideNouninner center (centre)Mathematicssee 外心see がいしん Listen Pitch on OJAD Explore