| firm(adjective, mean, hard, persistent, obstinate) |
| froward(noun, adjective, persistent, obstinate, insistent) |
| grouchy(adjective, irritable, sullen, crabby, cranky) |
| hostile(adjective, sullen) |
| inexorable(adjective, mean, hard, persistent, rigid) |
| iron(adjective, mean, hard, persistent, rigid) |
| mulish(adjective, mean, hard, tough, difficult) |
| mutinous(adjective, persistent, obstinate, insistent, dogged) |
| obdurate(adjective, tough, difficult, inflexible, obstinate) |
| obstreperous(adjective, unhelpful) |
| pertinacious(adjective, tough, difficult, awkward, obstinate) |
| relentless(adjective, mean, hard, persistent, obstinate) |
| resistant(adjective, difficult, awkward, forced, averse) |
| resisting(adjective, unwilling) |
| rigid(adjective, mean, hard, persistent, obstinate) |
| stiff-necked(adjective, mean, hard, tough, harsh) |
| uncompliant |
| uncomplying(adjective, unwilling) |
| unconsenting(adjective, unwilling) |
| unregenerate(adjective, persistent, obstinate, insistent, dogged) |