| sticker(adjective, thin, bare, slim, slender) |
| stiffener(noun, hold, block, back, base) |
| stilts |
| stringy(adjective, thin, spare, bare, slim) |
| stud(limit, extreme, upright, opposite, stake) |
| substratum(noun, hold, block, back, base) |
| substructure(noun, hold, block, back, base) |
| subtle(dull, light, slight, fine, thin) |
| sustentation(noun, hold, block, back, base) |
| svelte(adjective, thin, spare, bare, slim) |
| sylphlike(adjective, thin, spare, bare, slim) |
| take up(verb, expression, phrasal verb, raise, boost) |
| tenuous |
| thin as a rail(expression, adjective, idiom, dull, slight) |
| thin as rail(expression, adjective, idiom, thin, smallish) |
| threadlike(dull, light, slight, fine, thin) |
| tilt(verb, raise, boost, uphold, lift) |
| timber(noun, hold, block, back, base) |
| underpinning(noun, hold, block, back, base) |
| underweight(adjective, dull, light, slight, fine) |