individuality
n.the qualities that make a person or thing different from everyone else.
n.the quality or character of a particular person or thing that distinguishes them from others of the same kind.
“She expresses her individuality through her unique style of clothing.”
“The school encourages students to develop their individuality rather than simply following the crowd.”
“In an era of mass production, many consumers seek out handmade goods as a way to assert their own sense of individuality and personal taste.”
Typically used in the abstract sense; when referring to specific traits, 'individual characteristics' is more common.
“It created a powerful effect of formlessness and loss of individuality, whether appearing on paintings, sculptures or even the human body – her own or other people’s.”
From individual + -ity.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.