The term "underhand" refers to actions that are secretive or deceptive, often intended to gain an unfair advantage. This behavior can manifest in various contexts, such as business dealings, sports, or personal relationships, where individuals may use trickery or manipulation to achieve their goals. Underhand tactics can undermine trust and integrity, leading to negative consequences for both the perpetrator and the victim. In competitive environments, such as sports, these deceptive practices can result in penalties or disqualification, while in business, they may damage reputations and lead to legal repercussions.