Word.ws English Dictionary

unthinkable

/ʌnˈθɪŋkəbəl/

unthinkable adjective: that cannot be believed.

Adjective

unthinkable (comparative more unthinkable, superlative most unthinkable)

  1. That cannot be believed.
    • Near-synonyms: unbelievable, incredible, inconceivable
  2. Inconceivable or unimaginable; extremely improbable in a way that goes against common sense.
    • Near-synonyms: inconceivable, imponderable
    • Nothing is unthinkable, nothing impossible to the balanced person, provided it comes out of the needs of life and is dedicated to life's further development
  3. Extremely improper; extremely at odds with norms of expected behavior.
    • Near-synonyms: taboo, unspeakable, unutterable, inconceivable
    • I want you to know that P.A.C. will pay for a child psychiatrist to come in and testify on behalf of the child so that the homosexual father will not be able to have that little girl overnight and weekends to expose her to what is unthinkable.1980 December 20, Von Carswell, quotee, “Still At It”, in Gay Community News, volume 8, number 22, page 2

Noun

unthinkable (countable and uncountable, plural unthinkables)

  1. Something, or various things collectively, that one dares not think about or do.
    • Near-synonym: unspeakable
    • do the unthinkable
    Synonyms:
    unspeakable

unthinkable meaning in Hindi, Tamil, Malayalam and Kannada

unthinkable in Hindi

incapable of being believed; incredible
कल्पनातीत kalpanātīt, अकल्पनीय akalpanīya
inconceivable or unimaginable; extremely improbable in a way that goes against common sense
अकल्पनीय akalpanīya, कल्पनातीत kalpanātīt

unthinkable in Tamil

கற்பனைக்கும் எட்டாத, நினைக்க ஒன்னாத

unthinkable in Malayalam

അചിന്തനീയമായ, അസംഭാവ്യമായ, ചിന്തിച്ചിട്ടു കാര്യമില്ലാത്ത, അചിന്ത്യമായ

unthinkable in Kannada

ನೆನೆಯಲಾಗದ, ಬಗೆಯಲಾಗದ, ಅರಿದು, ಘೋರವಾದ, ಭಯಂಕರವಾದ, ಯೋಚಿಸಲೂ ಆಗದ
More languagesFewer languages
unthinkable in Arabic
لَا يَخْطُرُ عَلَى الْبَالِ lā yaḵṭuru ʕalā l-bāli

Examples of unthinkable in a sentence

  • The ruling also comes amid calls from an opposition party for a review of the royal insult law, which would have been unthinkable just a few years ago.2021 November 10, Panarat Thepgumpanat, Chayut Setboonsarng, “Thai court rules students' royal reform call sought to overthrow monarchy”...
  • It reopened as St Pancras Renaissance Hotel London in the early part of this century, and it now seens unthinkable to demolish such a structure.2023 August 23, Dr Joseph Brennan, “Check out Britain's famous station hotels: St Pancras”, in RAIL, number 990, page 61:

All 33 example sentences with unthinkable

Synonyms of unthinkable

All synonyms of unthinkable

Forms of unthinkable

Adjective
comparativemore unthinkable
superlativemost unthinkable
Noun
countableuncountable
pluralunthinkables

Origin of unthinkable

From un- + think + -able.

Words formed from unthinkable

Questions about unthinkable

What does unthinkable mean?
Unthinkable means that cannot be believed.
What is unthinkable in Hindi?
Unthinkable in Hindi is कल्पनातीत (kalpanātīt), अकल्पनीय (akalpanīya). See Unthinkable meaning in Hindi.
How do you use unthinkable in a sentence?
The ruling also comes amid calls from an opposition party for a review of the royal insult law, which would have been unthinkable just a few years ago.
What part of speech is unthinkable?
Unthinkable can be an adjective or a noun.
How do you pronounce unthinkable?
Unthinkable is pronounced /ʌnˈθɪŋkəbəl/.

Words near unthinkable in the dictionary

  1. unthing
  2. unthings
  3. unthink
  4. unthinkabilities
  5. unthinkability
  6. unthinkable
  7. unthinkableness
  8. unthinkables
  9. unthinkably
  10. unthinker
  11. unthinkers

Source and license

Adapted from Wiktionary: unthinkable (page history and authors); unthinkable (Tamil Wiktionary) (page history and authors); unthinkable (Malayalam Wiktionary) (page history and authors); unthinkable (Kannada Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-unthinkable.wav.

Cite this entry: “unthinkable.” Word.ws, https://word.ws/unthinkable. Based on Wiktionary, CC BY-SA 4.0.