stare

This word carries a heavy connotation of intensity, awkwardness, or rudeness. While looking is neutral and glancing is brief, staring implies a lack of social filter or a state of deep shock, curiosity, or aggression. It often creates a feeling of discomfort for the person being watched, as it violates typical social boundaries of eye contact. In a psychological sense, staring can signal a complete detachment from surroundings, such as when someone is daydreaming or in a trance. This creates a vacant quality that differs from the piercing, focused stare of someone who is angry or suspicious.