| delicate(adjective, state, dull, strong, light) |
| frail(adjective, state, strong, light, weak) |
| weak(adjective, state, strong, light, soft) |
| feeble(adjective, strong, light, weak, slight) |
| flimsy(adjective, state, strong, light, weak) |
| frangible(adjective, feature, state, characteristic, strong) |
| brittle(adjective, feature, characteristic, strong, hard) |
| breakable(adjective, feature, characteristic, strong, hard) |
| slight(adjective, dull, light, weak, soft) |
| infirm(adjective, strong, light, weak, slight) |
| insubstantial(adjective, strong, light, weak, slight) |
| decrepit(adjective, strong, light, weak, slight) |
| thin(adjective, dull, light, weak, slight) |
| rickety(adjective, dull, light, weak, slight) |
| dainty(adjective, light, weak, soft, gentle) |
| unsound(adjective, strong, light, weak, slight) |
| unsubstantial(adjective, strong, light, weak, slight) |
| friable(adjective, feature, characteristic, hard, structure) |
| puny(adjective, dull, strong, light, weak) |
| crumbly(adjective, feature, state, characteristic, hard) |