Standard Lemma guide

unnecessary

adj · 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

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.

  • UK: /ʌnˈnɛs.ə.s(ə)ɹɪ/
  • UK: /ʌnˈnɛs.əˌsɛɹ.ɪ/
  • US: /ʌnˈnɛs.əˌsɛɹ.i/
  • US: Recorded audio is listed in the source snapshot.
  • UK, US, nonstandard: /ʌnˈnɛs.ə.ɹɪ/
  • Australian: /anˈnes.əˌseɹ.i/
  • Australia: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: AH0 N N EH1 S AH0 S EH2 R IY0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Not needed or necessary.

Definition source: English Wiktionary via Wiktextract

Examples

  • The automatic child-frightener made clowns unnecessary.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Done in addition to requirements; unrequired.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective

Meaning 3

not necessary

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: unneeded

Antonyms: necessary

History

Etymology

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English necessary English unnecessary From un- + necessary.

Across languages

Translations

59 source translations are retained for this English entry.

  • Arabic: غَيْر ضَرُورِيّ (ḡayr ḍarūriyy) — not necessary
  • Armenian: անպետք (anpetkʻ) — not necessary
  • Armenian: ավելորդ (avelord) — not necessary
  • Azerbaijani: lazımsız — not necessary
  • Azerbaijani: gərəksiz — not necessary
  • Belarusian: непатрэ́бны (njepatrébny) — not necessary
  • Bulgarian: ненужен (nenužen) — not necessary
  • Catalan: innecessari — not necessary
  • Chinese Mandarin: 多餘的 /多余的 (duōyú de) — not necessary
  • Chinese Mandarin: 不必要 (bù bìyào) — not necessary
  • Czech: nepotřebný — not necessary
  • Danish: unødvendig — not necessary
  • Dutch: onnodig — not necessary
  • Esperanto: nenecesa — not necessary
  • Estonian: liigne — not necessary
  • Finnish: tarpeeton — not necessary
  • Finnish: turha — not necessary
  • French: inutile — not necessary
  • French: non nécessaire — not necessary
  • Galician: innecesario — not necessary
  • German: nicht notwendig — not necessary
  • German: unnötig — not necessary
  • Greek: περιττός (perittós) — not necessary
  • Hindi: अनावश्यक (anāvaśyak) — not necessary
  • Hungarian: szükségtelen — not necessary
  • Italian: innecessario — not necessary
  • Italian: superfluo — not necessary
  • Italian: eccessivo — not necessary
  • Italian: inutile — not necessary
  • Japanese: 余計な (yokei na) — not necessary
  • Japanese: 不要な (fuyō na) — not necessary
  • Korean: 불필요하다 (bulpiryohada) — not necessary
  • Latin: superforāneus — not necessary
  • Macedonian: непотребен (nepotreben) — not necessary
  • Malayalam: അനാവശ്യ (anāvaśya) — not necessary
  • Malayalam: അനാവശ്യമായ (anāvaśyamāya) — not necessary
  • Māori: huakore — not necessary
  • Māori: hiahiakore — not necessary
  • Norwegian: unødvendig — not necessary
  • Plautdietsch: onneedich — not necessary
  • Polish: zbędny — not necessary
  • Polish: niepotrzebny — not necessary
  • Polish: niekonieczny — not necessary
  • Portuguese: desnecessário — not necessary
  • Romanian: inutil — not necessary
  • Romanian: nenecesar — not necessary
  • Romanian: netrebuincios — not necessary
  • Russian: нену́жный (nenúžnyj) — not necessary
  • Slovak: nepotrebný — not necessary
  • Slovak: zbytočný — not necessary
  • Spanish: innecesario — not necessary
  • Spanish: desnecesario (disused) — not necessary
  • Swedish: onödig — not necessary
  • Turkish: gereksiz — not necessary
  • Turkish: lüzumsuz — not necessary
  • Turkish: boş yere — not necessary
  • Ukrainian: непотрі́бний (nepotríbnyj) — not necessary
  • Urdu: خواہ مخواہ (xāh maxāh) — not necessary
  • Welsh: diangen — not necessary
Real reading context

unnecessary in complete knowledge articles