teammate

/ˈtiːmˌmeɪt/noun

A person who plays or works on the same team as you.

Example sentences

“He passed the ball to a teammate near the goal.”
“After the game, she thanked her teammates for their support.”

One word, no hyphen. Extends beyond sports to any collaborative group, including workplaces.

Related words

opponentA person who competes against you or takes the opposite side, and tries to stop you from succeeding.gymnasticsA sport in which athletes perform routines of controlled movements that demand strength, balance, and flexibility.whistleA small device that makes a loud, high sound when you blow through it, used by referees and coaches.wrestlingA sport in which two competitors grapple with bare hands, using holds, leverage, and pressure to overpower each other.medalA flat piece of metal, usually round and stamped with a design, given as an award or honor.boxingA combat sport in which two fighters wearing padded gloves hit each other's head and upper body, winning by points or by knocking the opponent out.