| formidable(adjective, prevailing, influential, commanding) |
| hearty(adjective, strong, sound, tough, keen) |
| high-powered(adjective, strong, moving, difficult, intense) |
| importunate |
| in force(adjective, strong, power, valid, legal) |
| incisive |
| kinetic(adjective, action, energetic) |
| logical |
| nervous |
| peremptory |
| piercing(adjective, strong, intense, powerful, penetrating) |
| poignant(adjective, strong, severe, difficult, intense) |
| prevailing(strong, energetic, effective, influential, commanding) |
| productive(adjective, direct, energetic, lively, active) |
| punch(adjective, strong, powerful, effective, dynamic) |
| pushing(adjective, tough, keen, smart, intense) |
| red-blooded(adjective, strong, tough, intense, energetic) |
| resolute(adjective, clear, strong, tough, severe) |
| sharp(adjective, strong, severe, keen, intense) |
| sound(adjective, clear, strong, direct, tough) |