| perverse(adjective, mean, hard, determined, resolute) |
| pigheaded(adjective, mean, hard, tough, determined) |
| realist(feature, state, characteristic, reality) |
| reasonable(adjective, practical, realistic) |
| sensible(adjective, sharp, practical, realistic, shrewd) |
| strong(adjective, hard, tough, determined, resolute) |
| tough-minded(adjective, tough, realistic, shrewd) |
| unsentimental(adjective, tough, shrewd) |
| willful(adjective, determined, resolute, impulsive, stubborn) |
| austere(adjective, strong, hard, tough, severe) |
| cold(adjective, close, hard, severe, harsh) |
| cool(sharp, practical, shrewd, ridiculous, pitiful) |
| hard-headed |
| hard-line(adjective, strong, hard, tough, severe) |
| inconvincible(adjective, determined, resolute, uncompromising, unshakeable) |
| no-nonsense(adjective, tough, sharp, practical, realistic) |
| positive |
| puritan |
| self-opinionated(adjective, determined, resolute, uncompromising, unshakeable) |
| self-willed(adjective, determined, resolute, impulsive, stubborn) |