TENUOUS

adj. 1 thin, slender, thin, fine, attenuated, delicate, gossamer, diaphanous, fragile The spider descended slowly on its tenuous thread 2 flimsy, insubstantial or unsubstantial, paltry, weak, feeble, frail, meagre, vague, negligible, insignificant, trifling, sketchy, hazy, nebulous, dubious, doubtful, shaky Your case rests on very tenuous evidence