She's 'religious about' using her seatbelt [=she always uses her seatbelt] when she drives.
His wife is very active in the church, but he's not 'religious' himself.
My grandfather was a deeply 'religious' [='spiritual'] man.
(..) Yeah. Watch this. Yep. Like my last years. And my daughter won't give me the time of day. - How was your party? - Oh, it was good. They're kind of religious, Ann's family, so it was- Yeah, it was just kind of- - - [Ann Singing Loudly, (..)2004 TvShow: Arrested Development Title: Afternoon Delight Season: 2 Episode 6