| tight(adjective, rigid, stingy) |
| unbending(adjective, strong, hard, tough, severe) |
| uncluttered(adjective, simple, clean, plain, pure) |
| unvarnished(adjective, simple, pure, basic, unadorned) |
| meager(adjective, hard, severe, cold, frugal) |
| acerbic(adjective, mean, severe, sharp, nasty) |
| acrimonious(adjective, mean, tough, severe, evil) |
| aloof(adjective, cool, cold, detached, unfriendly) |
| candid(adjective, simple) |
| chilly(adjective, cool, severe, cold, detached) |
| continent(adjective, quiet, simple, moderate, pure) |
| decent(adjective, quiet, simple, pure, innocent) |
| difficult(adjective, harsh) |
| essential(adjective, hard, simple, severe, rough) |
| firm(noun, adjective, strong, hard, tough) |
| formal(adjective, strong, cool, severe, cold) |
| gruff(adjective, hard, severe, sharp, nasty) |
| homely(adjective, simple, clean, plain, pure) |
| mere(adjective, hard, severe, clean, plain) |
| modest(adjective, hard, simple, severe, clean) |