Something that is unimaginable is difficult to imagine because it is so bad, good, big, etc…. Learn more.

The meaning of UNIMAGINABLE is not imaginable or comprehensible. How to use unimaginable in a sentence.

UNIMAGINABLE definition: difficult or impossible to believe; inconceivable See examples of unimaginable used in a sentence.

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If you describe something as unimaginable, you are emphasizing that it is difficult to imagine or understand properly, because it is not part of people's normal experience.

Dec 14, 2025Β Β· Adjective unimaginable (comparative more unimaginable, superlative most unimaginable) Unable to be imagined; inconceivable or mind-boggling; beyond belief.

Definition of unimaginable adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

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