| grim(adjective, hard, tough, severe, sharp) |
| gross(adjective, mean, nasty, terrible, disgusting) |
| grouchy(mean, rude, coarse, irritable, sullen) |
| grousing(mean, cross, irritable, ugly, obstinate) |
| growling(mean, cross, irritable, ugly, obstinate) |
| gruff(adjective, hard, severe, sharp, nasty) |
| grumpy(mean, rude, coarse, irritable, disagreeable) |
| hard-line(adjective, persistent, obstinate, insistent, dogged) |
| hard-shelled(adjective, persistent, obstinate, insistent, dogged) |
| hardheaded(tough, firm, unreasonable, grim, inflexible) |
| harmful |
| hawkish(energetic, antagonistic, aggressive, argumentative, contentious) |
| headstrong(adjective, tough, firm, passionate, unstable) |
| heinous(adjective, nasty, violent, terrible, wild) |
| hell-bent(adjective, persistent, obstinate, insistent, dogged) |
| hidebound(adjective, persistent, obstinate, insistent, dogged) |
| horrid(adjective, mean, nasty, violent, terrible) |
| hostile(mean, sharp, nasty, bitter, belligerent) |
| hot-tempered(unpleasant, irritable, disagreeable, ugly, crabby) |
| hotheaded(adjective, passionate, unstable, unpredictable, unreliable) |