Antagonistic, 8 letters
Harmful, 8 letters
Hostile, 8 letters
Hostilely adverse, 8 letters
Like nemeses, 8 letters
Not sympathetic, 8 letters
Unfriendly, 8 letters
Matchless, 10 letters
Matchless section of Western steel bat I'm initialling (10), 10 letters
One-of-a-kind, 10 letters
Unique, 10 letters