It's often considered rude to stare at someone for a long period of time without saying anything and if the stare is making someone feel uncomfortable then it would be considered weird behavior from the coworker
Context: "At work a new coworker keeps looking at me in weird way."
Hypothesis: At work, it's really weird when a new coworker keeps looking at me in a way that makes me feel uncomfortable
Based on the context, is the hypothesis true, false, or unknown?