1. (n.) The quality or state of being individual or constituting an individual; separate or distinct existence; oneness; unity.

2. (n.) The character or property appropriate or peculiar to an individual; that quality which distinguishes one person or thing from another; the sum of characteristic traits; distinctive character; as, he is a person of marked individuality.

character combination complexion difference differentiation differentness dissimilarity distinctiveness egohood fusion human factor humor identity independence individualism indivisibility intactness integrality integration integrity inviolability irreducibility makeup nature nominalism nonconformity oneness organic unity particularism particularity personal equation personal identity personality personship purity self-identity selfhood selfness selfsameness separateness simplicity singleness singularity solidarity solidification solidity soul temper temperament undividedness unification uniformity uniqueness unity univocity unlikeness wholeness