| accustomed(adjective, hard, unfeeling, unsympathetic, prepared) |
| bent(adjective, serious, resolute, persistent, unwavering) |
| bent on(expression, adjective, serious, resolute, persistent) |
| benumbed(adjective, hard, unfeeling, unsympathetic, prepared) |
| buckled down(expression, adjective, serious, resolute, persistent) |
| callous(adjective, hard, unfeeling, unsympathetic, prepared) |
| case-hardened(adjective, hard, unfeeling, unsympathetic, prepared) |
| coldhearted(adjective, hard, unfeeling, unsympathetic, prepared) |
| constant(adjective, serious, resolute, persistent, pat) |
| contemptuous(adjective, hard, unfeeling, unsympathetic, prepared) |
| cruel(adjective, hard, unfeeling, unsympathetic, hardened) |
| decided(adjective, serious, resolute, persistent, unwavering) |
| decisive(adjective, serious, resolute, persistent, unwavering) |
| disdainful(adjective, hard, unfeeling, unsympathetic, prepared) |
| dogged(adjective, serious, resolute, persistent, unwavering) |
| driven(adjective, serious, resolute, persistent, pat) |
| earnest(adjective, determined, serious, resolute, persistent) |
| fixed(adjective, serious, resolute, persistent, unwavering) |
| habituated(adjective, hard, unfeeling, unsympathetic, prepared) |
| hard-bitten(adjective, hard, unfeeling, unsympathetic, hardened) |