| guts(noun, restraint, capacity, fortitude, composure) |
| gutsiness(noun, restraint, capacity, fortitude, composure) |
| heart(noun, restraint, capacity, fortitude, composure) |
| hebetation |
| hibernation(noun, inaction) |
| homage |
| hopelessness |
| humbleness(noun, flattery, modesty, servility, submissiveness) |
| impassibility |
| impassivity(noun, disregard, dullness, apathy, inactivity) |
| imperturbability(noun, restraint, capacity, calmness, fortitude) |
| inanition(noun, disregard, dullness, apathy, inactivity) |
| inappetence |
| incuriosity(noun, disregard, apathy, indifference, calmness) |
| incuriousness(disregard, apathy, indifference, calmness, composure) |
| inertness(noun, disregard, dullness, apathy, inactivity) |
| inferiority complex(noun, expression, reserve, flattery, modesty) |
| insensibleness(disregard, apathy, indifference, calmness, composure) |
| intestinal fortitude(noun, expression, restraint, capacity, fortitude) |
| lack of pride(noun, expression, idiom, reserve, flattery) |