The essence of a particular thing; those qualities that define it and make it unique.(noun)
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Use "haecceity" in a sentence
"Closely related to these theories is one kind of haecceity theory, according to which individuals would be constructs of universal properties with the very important addition of one singular property (an haecceity)."
"His emphasis upon Lolita’s thisness, what Joyce called haecceity, is the unshakable foundation of his effort to restore her individuality, to break the spell of her “nymphage,” to see her as the unique woman he has uniquely damaged."
"God: concepts of | haecceity: medieval theories of |"