Standard Lemma guide

indistinguishability

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

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1

noun

Meaning 1

The state of being indistinguishable.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Examples

  • 1996 Bose-Einstein Condensation: An Introduction But due to the indistinguishability of the particles in the sample, it describes a decay mechanism that occurs for all N atoms simultaneously.

Meaning relationships

Synonyms: indistinguishableness

Antonyms: distinguishability

2

noun

Meaning 2

exact sameness

Definition source: Princeton WordNet 3.0

Examples

  • they shared an identity of interests

Meaning relationships

Synonyms: identity, identicalness

Antonyms: none provided

Broader terms: sameness

Narrower terms: oneness, unity, selfsameness

History

Etymology

From in- + distinguishability or indistinguishable + -ity.

Across languages

Translations

5 source translations are retained for this English entry.

  • Catalan: indistingibilitat — the state of being indistinguishable
  • French: indistinguabilité — the state of being indistinguishable
  • Hungarian: megkülönböztethetetlenség — the state of being indistinguishable
  • Italian: indistinguibilità — the state of being indistinguishable
  • Romanian: indistingibilitate — the state of being indistinguishable