churchism noun2 •Strict adherence to the forms or principles of some church organization; sectarianism.The appellant's idea of religion , essentially different from churchism . — 1768 •A cliché or overused saying uttered in church.Christians resort to churchisms such as: “Let go and let God”; “Love the sinner, hate the sin”; “I have Jesus in my heart”; “God said it. I believe it. That settles it!" — 2012 formschurchisms