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)

• faecal
• faeces
• faerie
• faeries
• Faeroese
• faery
• faex populi
• faff
• faffed
• faffing
• faffs
• fag
• Fagaceae
• fagaceous
• fag end
• fag ends
• fagged
• fagged out
• faggeries
• faggery
• faggier
• faggiest
• fagging
• faggings
• faggot