characterized by or full of force or strength (often but not necessarily physical) | unwavering in devotion to friend or vow or cause |
forceful and definite in expression or action | securely fixed in place |
| strong and sure |
| not soft or yielding to pressure |
| possessing the tone and resiliency of healthy tissue |
| marked by firm determination or resolution; not shakable |
| securely established |
| not subject to revision or change |
| (of especially a person's physical features) not shaking or trembling |
| not liable to fluctuate or especially to fall |