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)

• ophiology
• ophiomorph
• ophiomorphic
• ophiomorphous
• ophiomorphs
• ophiophagous
• ophiophilist
• ophiophilists
• Ophism
• ophite
• ophites
• ophitic
• Ophitism
• Ophiuchus
• ophiura
• ophiuran
• ophiurans
• ophiuras
• ophiurid
• Ophiuridae
• ophiurids
• ophiuroid
• Ophiuroidea
• ophiuroids
• ophthalm-