| undernourished(dull, light, slight, fine, thin) |
| unhealthy(adjective, false, unstable, ill, sick) |
| weedy(adjective, dull, slight, thin, delicate) |
| wimpy(adjective, weak, thin, delicate, shaky) |
| wiry(adjective, poor, small, insignificant, unimportant) |
| aerial(light, weak, slight, imaginary, flimsy) |
| affected(adjective, delicate, refined, nice, exaggerated) |
| aged(adjective, weak, thin, delicate, feeble) |
| alembicated(adjective, delicate, refined, affected, nice) |
| all skin and bones(expression, idiom, dull, slight, thin) |
| angular(dull, slight, thin, delicate, lifeless) |
| anile(adjective, weak, delicate, ill, sick) |
| antiquated(feeble, frail, flimsy, dilapidated, debilitated) |
| ardent(adjective, excitable) |
| artful(adjective, delicate, refined, affected, nice) |
| artificial(adjective, delicate, refined, affected, nice) |
| atomic(adjective, poor, small, insignificant, unimportant) |
| attenuate(adjective, dull, light, slight, fine) |
| attenuated(adjective, dull, light, slight, fine) |
| awkward |