also: ぶしんじん
Refers to a lack of religious faith or belief in gods. Can be used as a noun or adjectival noun (e.g., 無信心な人).
He is sometimes called an irreligious person.
Just because someone is irreligious doesn't mean they lack morals.
不信心 also means lack of faith, but often implies impiety or irreverence, whereas 無信心 is more neutral.
Standard kanji spelling; the reading むしんじん is the most common.
Alternate reading; less common than むしんじん.
Compound of 無 (mu, 'without') and 信心 (shinjin, 'faith, belief'). The reading ぶしんじん is a variant using the voiced reading of 無.