tenuous Synonyms

fragile flimsy thin slight subtle subtile small slim slighter slender shaky remote rarefied rare questionable precarious poor papery thinner slightest trifling wraithlike wispy wafer-thin unconvincing ultramicroscopic chancy lacy weak vaporous vague unsubstantial unstable unsound unreliable uncomfortable uncertain nebulous narrow finespun fine filose feeble faint ethereal dubious doubtful delicate condensable cloud-built