| conclusive(clear, certain, sure, reasoning, effective) |
| effectual(adjective, strong, sharp, energetic, powerful) |
| forced |
| hale(adjective, strong, sound, tough, solid) |
| hardy(adjective, strong, sound, strength, tough) |
| lusty(adjective, strong, tough, energetic, powerful) |
| nervous(adjective, vigor) |
| sinewy(adjective, strong, sound, tough, solid) |
| vivid(adjective, strong, open, intense, powerful) |
| aggressive(adjective, strong, keen, intense, energetic) |
| anxious(adjective, intense) |
| beefy |
| biting(adjective, strong, severe, sharp, harsh) |
| compulsory(adjective, powerful, aggressive) |
| convincing(adjective, clear, strong, direct, energetic) |
| cutting(adjective, strong, sharp, intense, powerful) |
| enterprising(adjective, strong, tough, keen, intense) |
| hearty(adjective, strong, sound, tough, solid) |
| incisive(vigor, physical energy) |
| irresistible |