Baring one's teeth is a common expression used to describe an aggressive display of anger or hostility. The crossword solutions for the term 'bare the teeth' include SNARL (5 letters), denude (6 letters), FANGS (5 letters), and GNASH (5 letters). Snarling is a facial expression that involves baring the teeth and making a low, threatening growl. Denude means to strip away or remove something, which in this case could refer to removing the lips to expose the teeth. FANGS are long, pointed canine teeth, and gnashing is the act of grinding one's teeth together in anger or frustration. All of these words can be used to describe the act of baring one's teeth in an aggressive manner.