sui
adj.adj. describing something that is the only one of its kind. It is a Latin phrase used to say that a person or thing is unique and cannot be compared to others.
adj. constituting a class of its own; unique or peculiar in character. Often follows a linking verb or is used as a postpositive modifier to emphasize that the subject lacks a direct equivalent.
Her style of painting is truly sui generis.
The legal case was considered sui generis because it involved a set of circumstances never before seen in court.
While many artists claim originality, his architectural designs are genuinely sui generis, defying any attempt to categorize them within existing modern or classical movements.
Almost exclusively used as part of the Latin phrase 'sui generis'. It typically follows the noun it modifies or appears after a linking verb like 'be'.