Word family noun think rethink thinker thinking the unthinkable adjective thinkable ≠ unthinkable thinking ≠ unthinking verb think rethink adverb unthinkingly
From Longman Dictionary of Contemporary Englishunthinkableun‧think‧a‧ble /ʌnˈθɪŋkəbəl/ adjective 1 impossible to accept or imagine It is unthinkable that a mistake like this could have happened.it would be unthinkable for somebody to do something It would be unthinkable for me to stay anywhere but with the family.► see thesaurus at impossible2 → the unthinkableExamples from the Corpus
unthinkable• The idea of a world without music is unthinkable.• In 1094 however such a future would have seemed unthinkable.• Older women in the developing countries suffered too, but medical care for them was unthinkable.• The very philosophy of the Hegelians is therefore not a challenge to society but a way of making such challenge unthinkable.• In those days it was unthinkable for a lady to work outside the home.• The amount of sex on television that we see today would have been unthinkable in previous decades.• It was unthinkable, of course, to take them this time, but it was a wrench leaving them behind with Polly.• It is unthinkable that anyone would dare to enter the Control Area without permission.• But it is virtually unthinkable that it could end in an acquittal, still less a mistrial.it would be unthinkable for somebody to do something• Now it would be unthinkable for me to stay anywhere but with the family. 