| gross |
| harsh(adjective, rough, stark, grainy) |
| having nerves of steel(expression, idiom, bold, confident, fearless) |
| herolike(strong, bold, spirited, brave, courageous) |
| high-spirited(adjective, strong, tough, energetic, determined) |
| hot(adjective, bright, energetic, passionate, determined) |
| hot shot(expression, adjective, smart, bold, brave) |
| hyper(adjective, bright, energetic, passionate, determined) |
| immodest(adjective, smart, bold, confident, brazen) |
| impalpable(adjective, pulverulence) |
| impavid(strong, tough, bold, spirited, brave) |
| imprudent(strong, bold, spirited, brave, courageous) |
| impudent(adjective, smart, bold, brave, impulsive) |
| impulsive(adjective, smart, bold, brave, courageous) |
| in particles(expression, adjective, rough, coarse, grainy) |
| indomitable(strong, tough, noble, resolution, bold) |
| indurated |
| inexorable(resolution, rocky, pebbly, flinty) |
| insolent(adjective, smart, bold, confident, brazen) |
| iron |