1. The use of clever or sometimes unethical tactics to gain an advantage in a game or competition without actually breaking the rules.
Usage: Often implies psychological manipulation or cunning strategy rather than outright cheating.
2. Skillful play or technique in games and sports.
Usage: Less common; often used in older or formal contexts.

Examples

• The tennis player's constant complaints to the umpire were pure gamesmanship designed to distract her opponent.
• He used gamesmanship by pretending to be injured to slow down the match.
• Good gamesmanship involves knowing when to apply pressure and when to play defensively.
• The coach warned his team against gamesmanship and emphasized playing with integrity.
• Her gamesmanship on the court—reading her opponent's moves and adjusting strategy—made her a champion.
• Some players resort to gamesmanship like time-wasting tactics instead of improving their actual skills.