individualistic

US /ˌɪn.dəˌvɪdʒ.u.əˈlɪs.t̬ɪk/
UK /ˌɪn.dəˌvɪdʒ.u.əˈlɪs.t̬ɪk/
1.

relating to one particular person rather than a group or society, or relating to someone who is different or original:

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Contemporary art is highly individualistic.