Looking down can indicate feelings of superiority and can be seen as disrespectful, so it is important to use alternative phrases when describing a similar action. Other suitable synonyms for "looked down" can include "glared," "scowled," "peered," "eyed," or simply "observed." Each phrase can help convey a different tone or perspective, depending on the context of the situation. When writing, it is important to be mindful of the emotions and behavior of the characters or subjects involved in the scene and to use the most appropriate language to accurately convey the intended meaning.