Aggress is a term that describes a hostile or violent attitude or behavior. It is often used to describe an ATTACK or assault on another person or group. The crossword solutions for the term aggress are ATTACK (6 letters) and BESET (5 letters). ATTACK is an aggressive action that is intended to cause harm, while BESET is to surround or besiege someone or something with hostile forces. Both words are used to describe aggressive behavior.