1. (noun)completeness the state of being complete and entire; having everything that is needed Antonyms: incompleteness, rawness
2. (noun)completeness (logic) an attribute of a logical system that is so constituted that a contradiction arises if any proposition is introduced that cannot be derived from the axioms of the system Antonyms: rawness, incompleteness
Synonyms and Antonyms of completeness 
