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sui generis

1 ENTRIES FOUND:
sui generis /ˌsuːˌaɪˈʤɛnərəs/ adjective
sui generis
/ˌsuːˌaɪˈʤɛnərəs/
adjective
Britannica Dictionary definition of SUI GENERIS
formal
: in a class or group of its own : not like anything else