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

• black nationalists
• black-necked screamer
• blackness
• blacknesses
• black nightshade
• black op
• black ops
• black out
• blackout
• blackouts
• Black Panther
• Black Panthers
• black paper
• black papers
• black pepper
• blackpoll
• blackpolls
• Black Pope
• black powder
• Black Power
• black pudding
• black puddings
• black quahog
• black-quarter
• black rat