nonpareil
noun /ˌnɒnpəˈreɪl/
/ˌnɑːnpəˈrel/
[singular] (formal)- a person or thing that is better than others in a particular area of activityWord Originlate Middle English: from French, from non- ‘not’ + pareil ‘equal’ (from popular Latin pariculus, diminutive of Latin par ‘equal’).