The word "un-truly" means untrue or dishonest. Some synonyms for this word include insincere, deceptive, false, fictitious, dishonest, and fake. These words are often used to describe people or things that are not genuine or trustworthy. Insincere may describe someone who is not honest about their feelings or motives, while false refers to something that is not true or accurate. Deceptive describes something that is designed to mislead someone, while fictitious refers to something that is not real or true. Dishonest is more commonly used to describe people who are not truthful or have a lack of integrity, and fake refers to something that is not authentic or genuine.