Least tasteful

Usage examples of blandest.

His heart, liver, and digestive system were such a ruin that his doctor restricted him to the blandest of foods.

Lanyard did his best with his blandest smile to make amends for having discomfited the prince by getting home later than he had promised to, his good-natured effort was repaid only by a spiteful scowl.

From the shadows, I watched Maynard talking to the princess who was wearing her blandest and most pleasant expression, both of them circling the quivering Cascade, who was steaming all over in the freezing air as Maynard had commanded Dusty to remove the net-like sweat-sheet.

So, taking a stab at it, I thought of the blandest appellation I could come up with.