As nouns the difference between complexity and complexness
is that complexity is the state of being complex; intricacy; entanglement while complexness is the state or quality of being complex.
complexity
English
Noun
(uncountable) The state of being complex; intricacy; entanglement.
(countable) That which is and renders complex; intricacy; complication.
Synonyms
* complicacy
Antonyms
* simplicity
Derived terms
* complexity theory
* space complexity
* time complexity
* Kolmogorov complexity
Related terms
* complexus
* complicate
complexness
English
Noun
(-)
The state or quality of being complex.