Phrase guide

null set

noun · 3 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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No pronunciation record was provided for this word.

1

noun

Meaning 1

A negligible set; set of zero measure.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, measure-theory, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The empty set.

Definition source: English Wiktionary via Wiktextract

Usage: proscribed, sometimes

Topics: mathematics, sciences, set-theory

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a set that is empty; a set with no members

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: set

History

Etymology

No etymology was provided for this word.

Across languages

Translations

6 source translations are retained for this English entry.

  • Bulgarian: пренебрежимо множество (prenebrežimo množestvo) — negligible set
  • Finnish: nollajoukko — negligible set
  • French: ensemble négligeable — negligible set
  • German: Nullmenge — negligible set
  • Italian: insieme nullo — negligible set
  • Polish: zbiór miary zero — negligible set