Standard Lemma guide

unable

adj · intj · verb · 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

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.

  • /ʌnˈeɪbl̩/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -eɪbəl
  • CMU ARPABET: AH0 N EY1 B AH0 L Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Not able; lacking a certain ability.

Definition source: English Wiktionary via Wiktextract

Examples

  • Are you unable to mind your own business or something?

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

intj

Meaning 2

Indicating that a requested course of action is not possible to carry out.

Definition source: English Wiktionary via Wiktextract

Topics: aeronautics, aerospace, aviation, business, engineering, natural-sciences, physical-sciences

Examples

  • "November three seven kilo, climb and maintain twelve thousand." "Unable, we have pressurization problems. Maintaining nine thousand."

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

To render unable; to disable.

Definition source: English Wiktionary via Wiktextract

Usage: nonstandard, transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adjective

Meaning 4

(usually followed by `to') not having the necessary means or skill or know-how

Definition source: Princeton WordNet 3.0

Examples

  • unable to get to town without a car
  • unable to obtain funds

Meaning relationships

Synonyms: none provided

Antonyms: able

5

adjective satellite

Meaning 5

lacking in power or forcefulness

Definition source: Princeton WordNet 3.0

Examples

  • an ineffectual ruler
  • like an unable phoenix in hot ashes

Meaning relationships

Synonyms: ineffective, ineffectual

Antonyms: none provided

History

Etymology

From Middle English unable, unabel, unhable, unhabil, equivalent to un- + able.

From Middle English unablen, equivalent to un- + able.

Across languages

Translations

35 source translations are retained for this English entry.

  • Arabic: عَاجِز (ʕājiz) — not able
  • Bulgarian: неспосо́бен (nesposóben) — not able
  • Catalan: incapaç — not able
  • Chinese Mandarin: 不能 (bù néng) — not able
  • Chinese Mandarin: 不能夠 — not able
  • Chinese Mandarin: 不能够 (bù nénggòu) — not able
  • Chinese Mandarin: 不会 (bù huì) — not able
  • Chinese Mandarin: 不可以 (bù kěyǐ) — not able
  • Czech: neschopný — not able
  • Dutch: niet in staat — not able
  • Dutch: onbekwaam — not able
  • Esperanto: senpova — not able
  • Esperanto: nekapabla — not able
  • Finnish: kykenemätön — not able
  • Finnish: kyvytön — not able
  • French: incapable — not able
  • Georgian: შეუძლებელი (šeuʒlebeli) — not able
  • Georgian: უძლური (uʒluri) — not able
  • German: unfähig — not able
  • German: außerstanden — not able
  • Greek: ανίκανος (aníkanos) — not able
  • Hindi: असमर्थ (asmarth) — not able
  • Hungarian: képtelen — not able
  • Ido: nekapabla — not able
  • Italian: incapace — not able
  • Māori: tē taea — not able
  • Portuguese: incapaz — not able
  • Romanian: incapabil — not able
  • Romanian: neputincios — not able
  • Romanian: incompetent — not able
  • Russian: неспосо́бный (nesposóbnyj) — not able
  • Spanish: incapaz — not able
  • Spanish: impotente — not able
  • Swedish: oförmögen — not able
  • Woiwurrung: mon-tooleen-narr — not able
Real reading context

unable in complete knowledge articles