#1 thinness n. [tenuity, slenderness] relatively small dimension through an object as opposed to its length or width; "the tenuity of a hair"; "the thinness of a rope". wn
#2 thinness n. [leanness, spareness] the property of having little body fat. wn
#3 thinness n. [fineness] the property of being very narrow or thin; "he marvelled at the fineness of her hair". wn
#4 thinness n. [sparseness, spareness, sparsity] the property of being scanty or scattered; lacking denseness. wn
#5 thinness n. a consistency of low viscosity; "he disliked the thinness of the soup". wn
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