1. most excessively religious or pious in manner; most sanctimonious
Usage: informal; often pejorative

Examples

• She was the churchiest person in our neighborhood, always lecturing others about morality.
• His churchiest behavior came out whenever he wanted to impress the pastor.
• The churchiest members of the congregation often seemed the most judgmental.
• Even among the devout parishioners, he was considered the churchiest of them all.
• Her churchiest tendencies made it difficult for others to relate to her.
• The churchiest attitude often masks genuine spiritual struggles.