| bigoted(adjective, determined, resolute, obstinate, uncompromising) |
| bound(strong, certain, determined, definite, resolute) |
| bound and determined |
| bovine(adjective, determined, resolute, obstinate, uncompromising) |
| brass-bound(adjective, determined, resolute, obstinate, uncompromising) |
| brassbound |
| brassy(bold, confident, fearless) |
| brave |
| brick wall(expression, adjective, strong, hard, substantial) |
| bull-headed(adjective, determined, resolute, obstinate, uncompromising) |
| bullhead(adjective, mean, hard, tough, harsh) |
| bullheaded(tough, firm, determined, unreasonable, grim) |
| cantankerous(tough, firm, unreasonable, grim, inflexible) |
| casehardened |
| cheeky(bold, confident, fearless) |
| cocky(bold, confident, fearless) |
| cold fish(expression, adjective, mean, hard, stubborn) |
| compact(adjective, strong, hard, substantial, tight) |
| compacted(adjective, strong, hard, substantial, sturdy) |
| complete(firm, certain, obedient, wholehearted, unthinking) |