[soo -i ge-ne-ris; English soo-ahy jen-er-is, soo-ee]
1. of his, her, its, or their own kind; unique.
Sui generis is from Latin, literally meaning “of its own kind”: sui, “of its own”+ generis, genitive form of genus, “kind.”
“This man, in fact, was sui generis, a true original.”
- Ruth Lord, Henry F. du Pont and Winterthur