Standard Lemma guide

impossible

adj · noun · 9 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: /ɪmˈpɒs.ɪ.bəl/
  • UK: [ɪmˈpɒs.ɪ.bl̩]
  • UK: /ɪmˈpɒs.ə.bəl/
  • UK: [ɪmˈpɒs.ə.bl̩]
  • Canada, US: /ɪmˈpɑ.sə.bəl/
  • Canada, US: [ɪmˈpɑ.sə.bl̩]
  • US: Recorded audio is listed in the source snapshot.
  • Australian: /ɪmˈpɔs.ɪ.bəl/
  • Australian: [ɪmˈpɔs.ɪ.bl̩]
  • CMU ARPABET: IH2 M P AA1 S AH0 B AH0 L Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Not possible; not able to be done or happen.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable, usually

Examples

  • 13 March 1962, John F. Kennedy, speech at the White House Those who make peaceful revolution impossible will make violent revolution inevitable.
  • It is difficult, if not impossible, to memorize 20,000 consecutive numbers.
  • Sarah thinks that nothing is impossible because things can always somehow happen.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Very difficult to deal with.

Definition source: English Wiktionary via Wiktextract

Usage: colloquial, not-comparable, usually

Examples

  • You never listen to a word I say – you're impossible!
  • This humidity is impossible.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

imaginary

Definition source: English Wiktionary via Wiktextract

Usage: dated, not-comparable, usually

Topics: mathematics, sciences

Examples

  • impossible quantities, or imaginary numbers

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

An impossibility.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A skateboard trick consisting of a backflip performed in midair.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

adjective

Meaning 6

not capable of occurring or being accomplished or dealt with

Definition source: Princeton WordNet 3.0

Examples

  • an impossible dream
  • an impossible situation

Meaning relationships

Synonyms: none provided

Antonyms: possible

7

adjective satellite

Meaning 7

totally unlikely

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: inconceivable, out of the question, unimaginable

Antonyms: none provided

8

adjective satellite

Meaning 8

used of persons or their behavior

Definition source: Princeton WordNet 3.0

Examples

  • impossible behavior
  • insufferable insolence

Meaning relationships

Synonyms: insufferable, unacceptable, unsufferable

Antonyms: none provided

9

noun

Meaning 9

something that cannot be done

Definition source: Princeton WordNet 3.0

Examples

  • his assignment verged on the impossible

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: impossibility, impossible action

History

Etymology

From Middle English impossible, equivalent to im- + possible.

Across languages

Translations

157 source translations are retained for this English entry.

  • Arabic: مُسْتَحِيل (mustaḥīl) — not able to be done
  • Arabic: محال (muḥāl) — not able to be done
  • Armenian: անհնար (anhnar) — not able to be done
  • Asturian: imposible — not able to be done
  • Azerbaijani: qeyri-mümkün — not able to be done
  • Azerbaijani: mümkünsüz — not able to be done
  • Azerbaijani: həyata keçirilməz — not able to be done
  • Azerbaijani: yerinə yetirilməz — not able to be done
  • Belarusian: немагчы́мы (njemahčýmy) — not able to be done
  • Belarusian: немажлі́вы (njemažlívy) — not able to be done
  • Bulgarian: невъзмо́жен (nevǎzmóžen) — not able to be done
  • Catalan: impossible — not able to be done
  • Chinese Cantonese: 冇可能嘅 (mou5 ho2 nang4 ge3) — not able to be done
  • Chinese Mandarin: 不可能的 (bù kěnéng de) — not able to be done
  • Czech: nemožný — not able to be done
  • Danish: umulig — not able to be done
  • Dutch: onmogelijk — not able to be done
  • Esperanto: neebla — not able to be done
  • Estonian: võimatu — not able to be done
  • Finnish: mahdoton — not able to be done
  • French: impossible — not able to be done
  • Galician: imposible — not able to be done
  • Galician: imposíbel — not able to be done
  • Georgian: შეუძლებელი (šeuʒlebeli) — not able to be done
  • German: unmöglich — not able to be done
  • Greek: ακατόρθωτος (akatórthotos) — not able to be done
  • Ancient Greek: ἀδύνατος (adúnatos) — not able to be done
  • Hebrew: בלתי־אפשרי (biltí-efsharí) — not able to be done
  • Hindi: असंभव or असम्भव (asambhav) — not able to be done
  • Hindi: नामुमकिन (nāmumkin) — not able to be done
  • Hindi: अनहोनी (anhonī) — not able to be done
  • Hungarian: lehetetlen — not able to be done
  • Icelandic: ómögulegur — not able to be done
  • Ido: neposibla — not able to be done
  • Indonesian: mustahil — not able to be done
  • Interlingua: impossibile — not able to be done
  • Italian: impossibile — not able to be done
  • Japanese: 不可能な (fukanō na) — not able to be done
  • Japanese: 無理な (muri na) — not able to be done
  • Kapampangan: emalyari — not able to be done
  • Kapampangan: emayari — not able to be done
  • Khmer: មិនអាចទៅរួច (mɨn ʼaac tɨw ruəc) — not able to be done
  • Korean: 불가능하다 (bulganeunghada) — not able to be done
  • Kyrgyz: мүмкүнсүз (mümkünsüz) — not able to be done
  • Latvian: neiespējams — not able to be done
  • Latvian: neiespējama — not able to be done
  • Lithuanian: neįmanoma — not able to be done
  • Macedonian: невозможен (nevozmožen) — not able to be done
  • Malay: mustahil — not able to be done
  • Malayalam: അസാധ്യ (asādhya) — not able to be done
  • Manx: neuchredjallagh — not able to be done
  • Māori: tē-taea — not able to be done
  • Marathi: अशक्य (aśakya) — not able to be done
  • Nepali: असम्भव (asambhav) — not able to be done
  • Norman: împôssibl'ye — not able to be done
  • Norwegian: umulig — not able to be done
  • Old English: unmihtlīċ — not able to be done
  • Persian: غیرممکن (ġeyr-e-momken) — not able to be done
  • Plautdietsch: ommäajlich — not able to be done
  • Polish: niemożliwy — not able to be done
  • Portuguese: impossível — not able to be done
  • Romanian: imposibil — not able to be done
  • Romansh: nunpussaivel — not able to be done
  • Russian: невозмо́жный (nevozmóžnyj) — not able to be done
  • Russian: невыполнимый (nevypolnimyj) — not able to be done
  • Russian: неосуществи́мый (neosuščestvímyj) — not able to be done
  • Northern Sami: veadjemeahttun — not able to be done
  • Scottish Gaelic: do-dhèanta — not able to be done
  • Serbo-Croatian: немогућ — not able to be done
  • Serbo-Croatian: nȅmogūć — not able to be done
  • Slovak: nemožný — not able to be done
  • Slovene: nemogoč — not able to be done
  • Slovene: nemogoča — not able to be done
  • Slovene: nemogoče — not able to be done
  • Spanish: imposible — not able to be done
  • Spanish: inasumible — not able to be done
  • Swedish: omöjlig — not able to be done
  • Swedish: ogörlig — not able to be done
  • Swedish: orealiserbar — not able to be done
  • Tagalog: di-sapala — not able to be done
  • Tarifit: muḥar — not able to be done
  • Thai: เป็นไปไม่ได้ — not able to be done
  • Turkish: olanaksız — not able to be done
  • Turkish: imkânsız — not able to be done
  • Ukrainian: неможли́вий (nemožlývyj) — not able to be done
  • Urdu: اسمبھو (asambhav) — not able to be done
  • Urdu: ناممکن (nāmumkin) — not able to be done
  • Urdu: ان ہونی (an honī) — not able to be done
  • Vietnamese: không thể — not able to be done
  • Vietnamese: bất khả thi — not able to be done
  • Welsh: amhosibl — not able to be done
  • West Frisian: ûnmooglik — not able to be done
  • Asturian: imposible — very difficult to deal with
  • Asturian: insoportable — very difficult to deal with
  • Azerbaijani: qeyri-mümkün — very difficult to deal with
  • Bulgarian: неосъществим (neosǎštestvim) — very difficult to deal with
  • Bulgarian: неизпълним (neizpǎlnim) — very difficult to deal with
  • Catalan: impossible — very difficult to deal with
  • Catalan: insuportable — very difficult to deal with
  • Czech: nemožný — very difficult to deal with
  • Danish: umulig — very difficult to deal with
  • Finnish: mahdoton — very difficult to deal with
  • Finnish: kauhea — very difficult to deal with
  • Finnish: kamala — very difficult to deal with
  • French: insupportable — very difficult to deal with
  • French: impossible — very difficult to deal with
  • German: unmöglich — very difficult to deal with
  • Greek: αδύνατο (adýnato) — very difficult to deal with
  • Greek: αφόρητο (afórito) — very difficult to deal with
  • Greek: απειλητικό (apeilitikó) — very difficult to deal with
  • Greek: ανίσχυρο (aníschyro) — very difficult to deal with
  • Greek: ανέφικτο (anéfikto) — very difficult to deal with
  • Hungarian: lehetetlen — very difficult to deal with
  • Hungarian: nehéz — very difficult to deal with
  • Interlingua: insupportabile — very difficult to deal with
  • Italian: insopportabile — very difficult to deal with
  • Italian: impossibile — very difficult to deal with
  • Kapampangan: masakit — very difficult to deal with
  • Kapampangan: kasakit — very difficult to deal with
  • Portuguese: impossível — very difficult to deal with
  • Portuguese: insuportável — very difficult to deal with
  • Russian: нереальный (nerealʹnyj) — very difficult to deal with
  • Russian: невозмо́жный (nevozmóžnyj) — very difficult to deal with
  • Russian: невыполнимый (nevypolnimyj) — very difficult to deal with
  • Serbo-Croatian: nȅmogūć — very difficult to deal with
  • Serbo-Croatian: nepodnòšljiv — very difficult to deal with
  • Serbo-Croatian: neizdr̀živ — very difficult to deal with
  • Slovene: nemogoč — very difficult to deal with
  • Slovene: nemogoča — very difficult to deal with
  • Slovene: nemogoče — very difficult to deal with
  • Spanish: insoportable — very difficult to deal with
  • Swedish: omöjlig — very difficult to deal with
  • Azerbaijani: qeyri-mümkün — never happening
  • Bulgarian: невероятен (neverojaten) — never happening
  • Chinese Mandarin: 不會發生 /不会发生 (Bù huì fāshēng) — never happening
  • Danish: umuligt — never happening
  • French: impossible — never happening
  • German: unmöglich — never happening
  • Italian: impossibile — never happening
  • Japanese: 不可能な (fukanō na) — never happening
  • Japanese: ありえない (arienai) — never happening
  • Kapampangan: malaut — never happening
  • Kapampangan: marayu — never happening
  • Polish: niemożliwy — never happening
  • Portuguese: impossível — never happening
  • Russian: несбыточный (nesbytočnyj) — never happening
  • Russian: недостижи́мый (nedostižímyj) — never happening
  • Spanish: imposible — never happening
  • Arabic: مُسْتَحِيل (mustaḥīl) — an impossibility
  • Catalan: impossible — an impossibility
  • Danish: umulighed — an impossibility
  • Greek: ακατόρθωτο (akatórthoto) — an impossibility
  • Greek: αδύνατο (adýnato) — an impossibility
  • Greek: αδιανόητο (adianóito) — an impossibility
  • Italian: impossibile — an impossibility
  • Malayalam: അസാധ്യം (asādhyaṁ) — an impossibility
  • Spanish: imposible — an impossibility
Real reading context

impossible in complete knowledge articles