| grudging(adjective, difficult, awkward, forced, averse) |
| hang tough(expression, tough, difficult, wild, awkward) |
| hanging tough(expression, adjective, mean, hard, rigid) |
| hard(adjective, mean, tough, harsh, inflexible) |
| hard-boiled(adjective, mean, hard, tough, harsh) |
| hard-headed |
| hard-hearted(adjective, mean, hard, tough, harsh) |
| hard-nosed(adjective, mean, hard, tough, harsh) |
| hard-shell(adjective, persistent, obstinate, insistent, dogged) |
| hard-shelled(adjective, persistent, obstinate, insistent, dogged) |
| hardheaded |
| harsh(adjective, mean, hard, tough, inflexible) |
| heedless |
| hell-bent(adjective, persistent, obstinate, insistent, dogged) |
| hesitant(adjective, unwilling) |
| hesitating(adjective, difficult, awkward, forced, averse) |
| hidebound(adjective, persistent, obstinate, insistent, dogged) |
| implacable(adjective, mean, hard, tough, harsh) |
| incompliant(adjective, tough, difficult, wild, awkward) |
| inconsiderate |