| structural(adjective, fundamental, structural) |
| underfed(adjective, thin, wasted, scrawny, skinny) |
| gangling(adjective, dull, light, slight, fine) |
| shrivelled(adjective, wasted) |
| spindly(adjective, dull, light, slight, fine) |
| twiggy(adjective, dull, light, slight, fine) |
| underweight(adjective, light, slight, thin, delicate) |
| withered(adjective, wasted) |
| angular(adjective, dull, slight, thin, delicate) |
| attenuated(adjective, slight, thin, delicate, wasted) |
| corpselike(adjective, thin, dead, pale, wasted) |
| gangly(adjective, dull, light, slight, fine) |
| puny(adjective, dull, light, slight, fine) |
| skin and bones(expression, adjective, idiom, thin, tired) |
| wizened(adjective, light, slight, thin, delicate) |
| anorexic(adjective, thin, lean, wasted, scrawny) |
| atrophied(adjective, thin, wasted, scrawny, skinny) |
| basic |
| meagre |
| narrow(adjective, dull, light, slight, fine) |