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)

• poriferous
• porifers
• poriness
• porinesses
• poring
• porism
• porismatic
• porismatical
• porisms
• poristic
• poristical
• pork
• pork barrel
• pork barrels
• pork-butcher
• pork-butchers
• pork-chop
• pork-chops
• porker
• porkers
• porkier
• porkies
• porkiest
• porkling
• porklings