| assertive(adjective, aggressive) |
| bent(adjective, set, intense, certain, deliberate) |
| bound(adjective, set, strong, tough, intense) |
| brave(adjective, clear, tough, severe, determined) |
| callous(verb, adjective, close, set, fix) |
| crisp(adjective, dry, brittle) |
| firmly(adverb, fast, severely, thoroughly, intensely) |
| hanging tough(expression, adjective, mean, hard, determined) |
| indurate(verb, adjective, close, set, fix) |
| intractable(adjective, tough, persistent, rigid, inflexible) |
| mulish(adjective, mean, strong, hard, tough) |
| pink |
| rigorous(adjective, strong, hard, complete, tough) |
| standing pat(adjective, determined, resolute, obstinate, uncompromising) |
| unflagging(adjective, strong, tough, fit, solid) |
| vigorous(adjective, strong, tough, fit, solid) |
| association(noun, organization, business, company, interest) |
| bold(adjective, strong, vigorous, noble, resolute) |
| conglomerate(noun, organization, business, company, interest) |
| contrary(adjective, determined, resolute, persistent, obstinate) |