| full of fight(expression, idiom) |
| full of pep(expression, adjective, idiom, energetic, lively) |
| furious(adjective, strong, severe, harsh, intense) |
| grouchy(difficult, rude, coarse, abrupt, cranky) |
| gutsy(adjective, energetic, lively, bold, aggressive) |
| gutty(adjective, energetic, lively, aggressive, fiery) |
| hateful(adjective, animal, mean, offensive, cruel) |
| have a bone to pick(expression, idiom, nasty, determined, hostile) |
| have chip on shoulder(expression, idiom, nasty, determined, hostile) |
| have it in for(expression, idiom, nasty, determined, hostile) |
| high-strung(adjective, energetic, lively, aggressive, fiery) |
| homicidal |
| horrible(adjective, strong, severe, intense, unpleasant) |
| hot(nasty, determined, hostile, spirited, aggressive) |
| hot-tempered(nasty, difficult, determined, hostile, spirited) |
| implacable(adjective, animal, appearance, mean, violent) |
| incendiary |
| infernal |
| inimical |
| irascible(difficult, irritable, aggressive, turbulent, belligerent) |