| obduracy(severity, strictness, sternness) |
| objectivity(noun, disregard, interest, lack, reserve) |
| opposition(noun, enmity) |
| quarrelsomeness(noun, enmity) |
| repression(noun, control, restraint, reserve, silence) |
| resentment(noun, enmity) |
| rigor(noun, severity, harshness, strictness, coolness) |
| savagery(noun, violence, severity, torture, cruelty) |
| shyness(noun, control, restraint, reserve, silence) |
| standoffishness(noun, reserve, unfriendliness, iciness) |
| sternness(severity, strictness) |
| stolidity(noun, disregard, apathy, indifference, calmness) |
| suppression(noun, control, restraint, reserve, silence) |
| taciturnity(noun, control, restraint, reserve, silence) |
| truculence(noun, violence, severity, torture, cruelty) |
| unapproachability(noun, reserve, unfriendliness) |
| withdrawnness(noun, reserve, unfriendliness) |
| abhorrence(noun, hate, hostility, antagonism, disgust) |
| abomination(noun, hate, hostility, antagonism, disgust) |
| absolute zero |