| spindly(adjective, uncertain, feeble, shaky, hesitant) |
| strengthless(adjective, weak, thin, delicate, degenerate) |
| supine(adjective, weak, uncertain, feeble, hesitant) |
| taxed(adjective, beat, gloomy, depressed, tired) |
| tender(adjective, uncertain, feeble, shaky, hesitant) |
| thin(adjective, weak, delicate, shaky, incompetent) |
| tired out(expression, adjective, beat, useless, weary) |
| torpid(adjective, uncertain, feeble, shaky, hesitant) |
| unconvincing(adjective, weak, thin, delicate, shaky) |
| undependable(adjective, uncertain, feeble, shaky, hesitant) |
| unsound(adjective, uncertain, short, shy, inadequate) |
| unsteady(adjective, uncertain, feeble, shaky, hesitant) |
| unsubstantial(adjective, uncertain, feeble, shaky, hesitant) |
| vitiated(adjective, weak, thin, delicate, degenerate) |
| wasted(adjective, beat, uncertain, feeble, weary) |
| wavering(adjective, uncertain, feeble, shaky, hesitant) |
| weak(adjective, strong, thin, delicate, uncertain) |
| weakened(adjective, weak, thin, delicate, uncertain) |
| weakly(adjective, weak, thin, delicate, uncertain) |
| wearied(adjective, beat, gloomy, depressed, useless) |