opponent /ə-pōˈnənt/

1. The person opposed to one in a contest, struggle, battle, etc
2. Someone who opposes a course of action, belief, etc
3. An opponent muscle (anatomy)

1. Opposing
2. Antagonistic (with to; formerly with with)
3. Placed opposite or in front
4. (of a muscle) opposing one part (eg a digit) to another (anatomy)

oppoˈnency noun

• collet
• collet chuck
• collet chucks
• collets
• colliculi
• colliculus
• collide
• collided
• collider
• colliders
• collides
• colliding
• collie
• collied
• collier
• collieries
• colliers
• colliery
• collies
• collieshangie
• collieshangies
• colligate
• colligated
• colligates
• colligating