| difficult |
| discreet(adjective, simple, clean, plain, pure) |
| doughty(adjective, strong, tough, plain, bold) |
| dull(adjective, simple, pure, basic, unadorned) |
| elementary(adjective, simple, clean, plain, pure) |
| fiery(strong, tough, bold, resolute, spirited) |
| fire-eating(strong, tough, bold, spirited, brave) |
| folksy(adjective, simple, clean, plain, pure) |
| franciscan(adjective, ascetic) |
| frosty(adjective, severe) |
| gallant(strong, tough, noble, bold, resolute) |
| game(strong, tough, noble, bold, spirited) |
| gritty(strong, tough, noble, bold, spirited) |
| gruff(adjective, severe) |
| gutsy(strong, tough, noble, bold, spirited) |
| hard-fisted(adjective, stingy) |
| hardy(adjective, strong, tough, plain, bold) |
| hermit-like(adjective, ascetic) |
| hidebound(adjective, severe) |
| high-spirited(strong, tough, bold, resolute, spirited) |