Unpleasant look

LEER

Think of a sly or suggestive stare that might make someone uncomfortable, often associated with a villainous grin.

Unpleasant look" hints at a stare that feels creepy or threatening, which is exactly what a "leer" is—a lingering, predatory glance. The word itself sounds a bit harsh, matching the uncomfortable tone of the clue. It’s a straightforward definition with no hidden wordplay, just a direct nod to the way someone might glare at you in a way that makes you uneasy.