Rude looks are a form of nonverbal communication that can be used to express disapproval or contempt. The term 'rude looks' can be broken down into three crossword solutions: STARES (6 letters), LEERS (5 letters), and SNEERS (6 letters). STARES are intense, direct gazes that can be used to intimidate or make someone feel uncomfortable. LEERS are sly, sideways glances that are often used to express mockery or scorn. Sneers are expressions of contempt or disdain, usually accompanied by a curled lip. All three of these terms are associated with rude looks and can be used to convey negative emotions.