| severe(adjective, appearance, mean, strong, hard) |
| harsh(adjective, mean, strong, hard, tough) |
| stern(adjective, appearance, hard, tough, severe) |
| strict(adjective, strong, hard, tough, severe) |
| simple(adjective, hard, simple, severe, plain) |
| rigid(adjective, strong, hard, tough, severe) |
| hard(adjective, strong, tough, severe, rough) |
| plain(adjective, simple, severe, clean, harsh) |
| spartan(adjective, hard, simple, severe, clean) |
| stark(adjective, simple, severe, attitude, plain) |
| stringent(adjective, hard, tough, severe, rough) |
| abstemious(adjective, severe, behavior, appetite, stingy) |
| rigorous(adjective, strong, hard, tough, severe) |
| grim(adjective, dull, appearance, strong, hard) |
| puritanical(adjective, tough, severe, firm, harsh) |
| bare(adjective, hard, simple, severe, plain) |
| stiff(adjective, hard, severe, rough, difficult) |
| bleak(adjective, dull, appearance, simple, tough) |
| sober(adjective, severe, temperate, grave, abstinent) |
| unadorned(adjective, hard, simple, severe, clean) |