Understanding Leer: A Guide to Negative Facial Expressions

Leer is a verb that means to look at someone or something with a critical or disapproving expression, often in a way that is considered rude or disrespectful. It can also refer to the act of gazing at someone or something with a suggestive or lascivious intent.

Example sentences:

* The teacher scowled at the student who was not paying attention, leering at him with disapproval.
* The man at the bar leered at the woman across the room, his eyes lingering on her body in a way that made her uncomfortable.

Synonyms for leer include glare, sneer, and scowl. These words all refer to negative or disapproving facial expressions, but they can have slightly different connotations depending on the context in which they are used.