| violent(adjective, attack, strong, great, severe) |
| forceful(adjective, clear, strong, direct, sound) |
| powerful(adjective, clear, strong, direct, sound) |
| strong(adjective, clear, strong, open, sound) |
| potent(adjective, clear, strong, direct, sound) |
| vigorous(adjective, strong, sound, strength, tough) |
| effective(adjective, clear, strong, tough, energetic) |
| intense(adjective, strong, tough, severe, keen) |
| mighty(adjective, strong, sound, strength, tough) |
| cogent(adjective, clear, strong, direct, energetic) |
| energetic(adjective, strong, power, open, direct) |
| impressive(adjective, strong, energetic, vigor, powerful) |
| vehement(adjective, strong, intense, energetic, passionate) |
| telling(adjective, clear, strong, open, direct) |
| active(adjective, activity, strong, direct, sound) |
| efficacious(adjective, strong, energetic, important, powerful) |
| coercive(adjective, attack, severe, harsh, violent) |
| persuasive(adjective, clear, strong, direct, tough) |
| puissant(adjective, clear, strong, sound, strength) |
| strong-arm(adjective, attack, informal, violent, forced) |