Definitions

American Heritage® Dictionary of the English Language, Fourth Edition

  1. adj. Being the only example of its kind; unique: "sui generis works like Mary Chesnut's Civil War diary” ( Linda Orr).

Century Dictionary and Cyclopedia

  1. Of his, her, its, or their own or peculiar kind; singular.

Wiktionary

  1. adj. In a class of its own; one of a kind.
  2. adj. By itself; of its own.

GNU Webster's 1913

  1. Of his or its own kind.

WordNet 3.0

  1. adj. constituting a class of its own; unique.

Etymologies

  1. Latin suī generis : suī, of its own + generis, genitive of genus, kind.

Examples

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Lists

These user-created lists contain the word ‘sui generis’.

Comments

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  • charlesferdinand The fact that St. Thomas Aquinas considers angels to be sui generis is a consequence of imperfections in his ontology. Refute. Aug 4, 2009
  • bilby "William Randolph Hearst did not speak often of his father. He preferred to think of himself as sui generis and self-created, which in many ways he was."
    - David Nasaw, 'The Chief'. Jul 31, 2009
  • cxkang Dictionary.com:
    Latin.
    of his, her, its, or their own kind; unique. Jun 18, 2009
  • annajane 1 of a kind May 26, 2009

‘sui generis’ has been looked up 2439 times, loved by 10 people, added to 89 lists, commented on 5 times, and is not a valid Scrabble word.