| bitter(adjective, mean, strong, hard, tough) |
| frugal(adjective, moderate, plain, temperate, stingy) |
| out of touch |
| rustic(adjective, simple, severe, clean, plain) |
| unrelenting(adjective, appearance, strong, hard, tough) |
| Spartan |
| basic(adjective, hard, simple, severe, plain) |
| cold(adjective, mean, strong, hard, tough) |
| frigid(adjective, mean, hard, cool, harsh) |
| grave(adjective, severe) |
| inexorable(adjective, appearance, mean, strong, hard) |
| prudish(adjective, quiet, simple, tough, severe) |
| pure(adjective, quiet, simple, clean, plain) |
| solemn(adjective, quiet, severe, serious, grave) |
| strait-laced(adjective, tough, severe, firm, harsh) |
| ascetic |
| authoritarian(adjective, strong, hard, tough, severe) |
| clean(adjective, quiet, simple, plain, pure) |
| cool(adjective, simple, severe, plain, cold) |
| demanding(adjective, severe) |