| exciting |
| exquisite(adjective, intense, passionate, violent, fierce) |
| fervid(adjective, intense, passionate, violent, fierce) |
| for a face(adjective, insistent, unequivocal) |
| formal |
| forte(strong, piercing, strident, noisy, blaring) |
| frisky(adjective, vigorous) |
| full(adjective, strong, intense, big, heavy) |
| full-blooded(adjective, vigorous) |
| full-mouthed(strong, piercing, strident, noisy, blaring) |
| fulminating(strong, piercing, strident, noisy, blaring) |
| heavy(strong, piercing, strident, noisy, blaring) |
| high-sounding(strong, piercing, strident, noisy, blaring) |
| hopped up(expression, adjective, intense, passionate, violent) |
| hyper(adjective, intense, passionate, violent, fierce) |
| impetuous(adjective, intense, passionate, violent, fierce) |
| importunate |
| impressive(adjective, insistent, unequivocal) |
| in red letters(expression, idiom) |
| industrious(adjective, vigorous) |