Standard Lemma guide

nullity

noun · 5 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

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1

noun

Meaning 1

The state of being null, or void, or invalid.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Examples

  • nullity of marriage

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A void act; a defective proceeding or one expressly declared by statute to be a nullity.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: law

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The dimension of the kernel of a linear transformation; the dimension of the nullspace of a matrix.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

something that is null (especially an enactment that has no legal validity)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: act, enactment

5

noun

Meaning 5

the state of nonexistence

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: nothingness, void, nihility

Antonyms: none provided

Broader terms: nonexistence, nonentity

Narrower terms: thin air

History

Etymology

From Middle French nullité and its etymon Medieval Latin nūllitās, from Latin nūllus. By surface analysis, null + -ity.

Across languages

Translations

12 source translations are retained for this English entry.

  • Bulgarian: невалидност (nevalidnost) — the state of being null, or void, or invalid
  • Czech: neplatnost — the state of being null, or void, or invalid
  • Finnish: mitättömyys — the state of being null, or void, or invalid
  • Finnish: pätemättömyys — the state of being null, or void, or invalid
  • French: nullité — the state of being null, or void, or invalid
  • Hungarian: semmisség — the state of being null, or void, or invalid
  • Hungarian: érvénytelenség — the state of being null, or void, or invalid
  • Polish: nieważność — the state of being null, or void, or invalid
  • Chinese Mandarin: 零化度 (línghuàdù) — the dimension of the nullspace of a matrix
  • Finnish: nulliteetti — the dimension of the nullspace of a matrix
  • Hungarian: nullitás — the dimension of the nullspace of a matrix
  • Polish: zerowość — the dimension of the nullspace of a matrix