1.Definition: a rarified quality

"The tenuity of the upper atmosphere"

Related Noun(s):rarity

Category: General

2.Definition: relatively small dimension through an object as opposed to its length or width

"The tenuity of a hair", "The thinness of a rope"

Related Noun(s):slenderness, thinness

Category: General

3.Definition: the quality of lacking intensity or substance

"A shrill yet sweet tenuity of voice"

Related Noun(s):feebleness

Category: General