Part of speech:
That cannot be described; beyond the power of description
Unlikely to take place or be true.
That cannot be conceived; that cannot be thought of, understood, imagined, or believed
Not comprehensible; that cannot be understood; obscure or unintelligible
That cannot be apprehended, or understood
Too overwhelming to be expressed or described in words; inexpressible
Employed or used for a special service, function, or occasion:
Astonishing, extraordinary, or extreme:
Find another word for unimaginable. In this page you can discover 23 synonyms, antonyms, idiomatic expressions, and related words for unimaginable, like: indescribable, improbable, inconceivable, unthinkable, incomprehensible, inapprehensible, ineffable, unbelievable, unheard-of, beyond comprehension and imaginable.