| gaga(careless, lively, unstable, unreasonable, changeable) |
| giddy(impulsive, unpredictable, uneven, unbalanced, unhinged) |
| going for broke(expression, adjective, idiom, delicate, uncertain) |
| goosy |
| grinding(adjective, difficult) |
| hair-trigger(difficult, tricky) |
| hanging by a thread(expression, adjective, idiom, delicate, uncertain) |
| hard-earned |
| hard-fought |
| helter-skelter(careless, unstable, unreasonable, unpredictable, changeable) |
| huffy(sensitive, prickly, quick-tempered) |
| humorsome(careless, unstable, unreasonable, unpredictable, changeable) |
| hung up(expression, adjective, understanding, keen, fine) |
| hyperesthetic |
| hyperpathic |
| impressible(adjective, understanding, keen, fine, sensible) |
| impressionable(adjective, understanding, keen, fine, sensible) |
| impugnable(adjective, delicate, uncertain, unstable, doubtful) |
| impulsive(careless, lively, unstable, unreasonable, unpredictable) |
| indecisive(adjective, delicate, uncertain, unstable, doubtful) |