Definition of "-ity" []

• State; quality: abnormality. (suffix)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Nine years later a couple of mathematicians used an equally logical extension of normal, preferring -cy to -ity."
• "When mocked by users of -ity, the president told his critics to look it up in the dictionary—and there it was, in Merriam-Webster’s."