Dishonest refers to someone who is not truthful or sincere in their actions, words or dealings. It means lacking integrity and being untrustworthy, deceitful or fraudulent. A dishonest person may lie, cheat, steal or break promises to gain an advantage for themselves, even if it harms others. They do not act with fairness or honesty in their interactions with others, and are willing to bend the rules or take shortcuts that disadvantage others. In short, dishonest refers to a lack of integrity or moral principles, where one's actions do not align with what they claim to believe or stand for.