Noun has 2 senses

• tautness(n = noun.state) tenseness, tension, tensity - the physical condition of being stretched or strained; "he could feel the tenseness of her body"; "it places great tension on the leg muscles"


Derived form adjective taut₂

• tautness(n = noun.attribute) tightness - lack of movement or room for movement;

Derived form adjective taut₁