| fear(agitation, nervousness, dread, nerves, willies) |
| fidget(noun, agitation, nervousness, jump, excitability) |
| fit of pique(noun, expression, idiom, anger, rage) |
| flack(noun, dispute, temper, infuriation, crossness) |
| flare up(noun, expression, dispute, temper, infuriation) |
| frenzy(willies, butterflies, neurasthenia) |
| fright(agitation, nervousness, nerves) |
| frustration |
| glum |
| goose bumps(expression, dread, willies, nail-biting) |
| goose pimples(expression, dread, willies, nail-biting) |
| gooseflesh(dread, willies, nail-biting) |
| grumpiness(noun, temper, irritability, impatience, sullenness) |
| habdabs(agitation, nervousness, nerves) |
| harshness(noun, irritability, grouchiness, crabbiness) |
| haste(irritation, annoyance, pique) |
| hastiness(irritation, annoyance, pique) |
| heart skipping a beat(expression, idiom, willies, butterflies, neurasthenia) |
| heebie-jeebies(anxiety, agitation, nervousness, excitability, nerves) |
| hell broke loose(expression, idiom, willies, butterflies, neurasthenia) |