Definition of haecceity in English:


Syllabification: haec·ce·i·ty
Pronunciation: /hakˈsēətē


  • 1That property or quality of a thing by virtue of which it is unique or describable as “this (one).”.
    More example sentences
    • For historical reasons, such a property is called a haecceity -- literally, a ‘thisness.’
    • Understanding concepts in his philosophy (eg., faciality, virtuality, haecceity, types of becoming, and rhizome) is important as they provide to entry points into some of the issues under examination.
    • Although it might seem to be a highly fanciful notion, it is hardly more fanciful than some haecceity theories which employ the same distinction, nor perhaps than some possible worlds theories either.
  • 1.1The property of being a unique and individual thing.
    More example sentences
    • It is the entire assemblage in its individuated aggregate that is a haecceity; it is this assemblage that is defined by a longitude and a latitude, by speeds and affects, independently of forms and subjects, which belong to another plane.
    • There's the haecceity, the isness, the standing reserve, that's one thing: the world.
    • The haecceity of a thing is what makes this particular thing what it is in particular.


mid 17th century: from medieval Latin haecceitas, from Latin haec, feminine of hic 'this'.

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