not heretical

Vegetarianism in those days was a strange if not heretical way of nourishing oneself.

To choose not to know, to deny evil its power to hold and horrify the imagination — this is a radical if not heretical idea in our age, and particularly in Europe, the locus of so many 20th-century horrors.

Gentle but not effeminate, questioning but not heretical, he’s a curious mediator for these women.

“Little Cloud is a simplified symbol of light and hope, a happy little gift,” Mr. Borkson said with an earnestness that is unusual, if not heretical, in the art world.

It’s not heretical to prefer one flavour of ice cream to another.