Jactitation refers to the act of tossing and turning in bed, often accompanied by talking loudly. It can also refer to the false boastful statements made by someone with the intent to deceive others. Some synonyms for jactitation include bragging, boasting, vaunting, and exaggeration. Other similar terms include bombast, bluster, and pomposity. These words all describe behavior that is intended to impress others with one's own abilities or accomplishments. While jactitation may be used in a medical context to describe a specific behavior, its synonyms are more commonly used in everyday language to describe someone who is overly showy or self-aggrandizing.