Dictionary

unthinkable

adjective un·think·able \-ˈthiŋ-kə-bəl\

: impossible to imagine or believe : too bad or shocking to be thought of

Full Definition of UNTHINKABLE

1
:  not capable of being grasped by the mind
2
:  being contrary to what is reasonable, desirable, or probable :  being out of the question
un·think·abil·i·ty \ˌən-ˌthiŋ-kə-ˈbi-lə-tē\ noun
un·think·ably \ˌən-ˈthiŋ-kə-blē\ adverb
ADVERTISEMENT

Examples of UNTHINKABLE

  1. <to most people it seemed unthinkable that such a gentle man could be guilty of such awful crimes>

First Known Use of UNTHINKABLE

15th century

Rhymes with UNTHINKABLE

UNTHINKABILITY Defined for Kids

unthinkable

adjective un·think·able \ˌən-ˈthiŋ-kə-bəl\

Definition of UNTHINKABLE for Kids

:  not to be thought of or considered as possible or reasonable <“Impossible!” cried Mr. Wonka. “Unthinkable! … He could never be made into marshmallows!” — Roald Dahl, Charlie and the Chocolate Factory>

Browse

Next Word in the Dictionary: unthinkingPrevious Word in the Dictionary: unthinkAll Words Near: unthinkable
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears