UNTHINKABLE: Synonyms and Related Words. What is Another Word for UNTHINKABLE?

Need another word that means the same as “unthinkable”? Find 15 synonyms and 30 related words for “unthinkable” in this overview.

The synonyms of “Unthinkable” are: unimaginable, inconceivable, unbelievable, incredible, implausible, illogical, impossible, unconscionable, out of the question, absurd, unreasonable, preposterous, ludicrous, outrageous, shocking

Unthinkable as an Adjective

Definitions of "Unthinkable" as an adjective

According to the Oxford Dictionary of English, “unthinkable” as an adjective can have the following definitions:

• (of a situation or event) too unlikely or undesirable to be considered a possibility.
• Incapable of being conceived or considered.

Synonyms of "Unthinkable" as an adjective (15 Words)

absurd	Wildly unreasonable, illogical, or inappropriate. The absurd excuse that the dog ate his homework.
illogical	Lacking sense or clear, sound reasoning. An illogical fear of the supernatural.
implausible	Highly imaginative but unlikely. This is a blatantly implausible claim.
impossible	Very difficult to deal with. It was almost impossible to keep up with him.
inconceivable	Not capable of being imagined or grasped mentally; unbelievable. They behaved with inconceivable cruelty.
incredible	Beyond belief or understanding. An almost incredible tale of triumph and tragedy.
ludicrous	Broadly or extravagantly humorous; resembling farce. Ludicrous green hair.
out of the question	Directed outward or serving to direct something outward.
outrageous	Greatly exceeding bounds of reason or moderation. Her outrageous leotards and sexy routines.
preposterous	Incongruous;inviting ridicule. A preposterous suggestion.
shocking	Giving offense to moral sensibilities and injurious to reputation. The most shocking book of its time.
unbelievable	Not able to be believed; unlikely to be true. Unbelievable or not it happened.
unconscionable	Unreasonably excessive. An unconscionable liar.
unimaginable	Totally unlikely. Lives of almost unimaginable deprivation.
unreasonable	Beyond normal limits. She knew she was being unreasonable but she resented his domesticity.

Usage Examples of "Unthinkable" as an adjective

• The unthinkable happened—I spoke up.
• It was unthinkable that John could be dead.

Associations of "Unthinkable" (30 Words)

amaze	Surprise (someone) greatly; fill with astonishment. He has been amazed by the quality of the employees at the bank.
astonish	Surprise or impress (someone) greatly. It astonished her that he was so anxious.
astonishing	So surprisingly impressive as to stun or overwhelm. Such an enormous response was astonishing.
astound	Affect with wonder. Her bluntness astounded him.
astounding	So surprisingly impressive as to stun or overwhelm. The summit offers astounding views.
fabulous	Extraordinary, especially extraordinarily large. The fabulous endurance of a marathon runner.
implausible	(of an argument or statement) not seeming reasonable or probable; failing to convince. Gave the teacher an implausible excuse.
impossible	Used of persons or their behavior. What an arrogant impossible fool.
impracticable	(of a course of action) impossible in practice to do or carry out. It was impracticable to widen the road here.
improbable	Too improbable to admit of belief. An improbable event.
inconceivable	Totally unlikely. They behaved with inconceivable cruelty.
incredible	Beyond belief or understanding. The book s plot is simply incredible.
insufferable	Too extreme to bear. Insufferable insolence.
intolerable	Incapable of being put up with. The intolerable pressures of his work.
marvelous	Being or having the character of a miracle. A marvelous collection of rare books.
miraculous	Of the nature of a miracle or having the power to work miracles. A miraculous cure.
miraculously	In a miraculous manner. The two drivers miraculously escaped with only minor injuries.
profound	Profound quality. Profound social changes.
redoubtable	(of a person) formidable, especially as an opponent. A tougher and more redoubtable adversary than the heel clicking jackbooted fanatic.
staggering	So surprisingly impressive as to stun or overwhelm. The staggering bills for maintenance and repair.
surprising	Causing surprise or wonder or amazement. She earned a surprising amount of money.
unacceptable	Not satisfactory or allowable. A word unacceptable in polite society.
unbearable	Incapable of being put up with. The heat was getting unbearable.
unbelievable	Having a probability too low to inspire belief. Unbelievable or not it happened.
unbelievably	Used to introduce a statement that is hard to believe. The show went unbelievably well.
unconvincing	Failing to make someone believe that something is true or valid. A slightly bizarre and unconvincing fusion of musical forces.
unendurable	Incapable of being put up with. Cries of unendurable suffering.
unimaginable	Totally unlikely. Lives of almost unimaginable deprivation.
unlikely	Not likely to be true or to occur or to have occurred. A butcher is unlikely to preach vegetarianism.
wonderful	Extraordinarily good or great; used especially as intensifiers. They all think she s wonderful.