Standard Lemma guide

haecceity

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • General-American, Received-Pronunciation: /hɛkˈsiː.ə.tiː/
  • General-American, Received-Pronunciation: /hiːkˈsiː.ə.tiː/
  • General-American: Recorded audio is listed in the source snapshot.
  • General-American: /hækˈsiː.ə.tiː/

1

noun

Meaning 1

The essence of a particular thing that gives it its unique particularity; those qualities that make an individual this specific individual and not some other.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: human-sciences, philosophy, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: thisness

Antonyms: none provided

2

noun

Meaning 2

the essence that makes something the kind of thing it is and makes it different from any other

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: quiddity

Antonyms: none provided

Broader terms: kernel, substance, core, center, centre, essence, gist, heart, heart and soul, inwardness, marrow, meat, nub, pith, sum, nitty-gritty

History

Etymology

From Medieval Latin haecceitas (“thisness”) coined by Duns Scotus (from haec (“this, these”)) + -ity.

Across languages

Translations

6 source translations are retained for this English entry.

  • French: eccéité — essence of a particular thing
  • Italian: ecceità — essence of a particular thing
  • Polish: haecceitas — essence of a particular thing
  • Portuguese: hecceidade — essence of a particular thing
  • Spanish: hecceidad — essence of a particular thing
  • Spanish: haecceidad — essence of a particular thing