Toughness is a related term of lustiness.
As nouns the difference between toughness and lustiness
is that toughness is (uncountable) the state of being tough while lustiness is the property of having or experiencing lust, of being lusty.
toughness
Noun
(es)
(uncountable) The state of being tough
(physics, of a metal) Resistance to fracture when stressed
A formidable difficulty
Derived terms
* graph toughness
Anagrams
*
lustiness
English
Noun
(lustinesses)
The property of having or experiencing lust, of being lusty.