| acute(adjective, strong, severe, sharp, harsh) |
| dynamical(adjective, action, strong, vigorous) |
| heavy(adjective, strong, sound, tough, solid) |
| impressive(adjective, strong, sharp, energetic, violent) |
| keen(adjective, clear, strong, tough, severe) |
| lusty(adjective, strong, great, tough, intense) |
| positive(adjective, clear, firm, energetic, certain) |
| pushy(adjective, clear, tough, severe, smart) |
| solid(adjective, clear, strong, sound, tough) |
| stringent(adjective, strong, severe, powerful, rigid) |
| vital(adjective, strong, tough, intense, energetic) |
| commanding(adjective, strong, energetic, powerful, vigorous) |
| dominant(adjective, strong, superior, energetic, important) |
| gutsy(adjective, clear, strong, tough, severe) |
| hard(adjective, clear, strong, severe, certain) |
| impactful |
| impetuous(adjective, strong, difficult, intense, passionate) |
| lively(adjective, action, strong, tough, keen) |
| mettlesome(adjective, strong, tough, intense, energetic) |
| peppy(adjective, action, strong, tough, informal) |