| puny(dull, light, slight, fine, thin) |
| rarefied(dull, light, slight, fine, thin) |
| rattlebones |
| rickety(dull, light, slight, fine, thin) |
| scanty(adjective, thin, spare, bare, slim) |
| seven-footer |
| shriveled(dull, light, slight, fine, thin) |
| sinewy(adjective, thin, spare, bare, slim) |
| skeletal(dull, light, slight, fine, thin) |
| slender(adjective, dull, slight, thin, delicate) |
| slight(dull, light, fine, thin, delicate) |
| slinky(dull, light, slight, fine, thin) |
| small(dull, light, slight, fine, thin) |
| sparse(adjective, thin, spare, bare, slim) |
| spindlelegs |
| spindleshanks |
| spindly(dull, light, slight, thin, delicate) |
| stack of bones(expression, idiom) |
| stalky(adjective, dull, light, slight, fine) |
| starved(dull, light, slight, fine, thin) |