thinness

noun

1.
relatively small dimension through an object as opposed to its length or width
slenderness tenuity
Antonym:
thickness
Derived from:
thin
2.
the property of having little body fat
bare-bonedness leanness spareness
Derived from:
thin
3.
the property of being very narrow or thin
fineness
Derived from:
thin
4.
the property of being scanty or scattered; lacking denseness
spareness sparseness sparsity
Derived from:
thin
5.
a consistency of low viscosity
washy
Antonym:
thickness
Derived from:
thin
6.
The property of lacking substance or strength.