noun
1.
Synonyms: unity 1, individuality, singleness, singularity, singularness
Antonyms: multiplicity
2.
Synonyms: uniqueness , singleness, unicity, uniquity
3.
Synonyms: entirety 1, allness, completeness, entireness, totality, wholeness
4.
Synonyms: identity 1, identicalness, sameness, selfsameness