unthinkably

Adverb

Meaning

to an unimaginable extent

Source: WordNet

Synonyms

unimaginably impossible incredibly extraordinarily impossibly absurdly remarkably astonishingly unbelievably apocryphally implausibly improbably indescribably inconceivably in an unreasonable manner
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Antonyms

likely probably convincingly acceptably authentically genuinely
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Examples

The Tagli came to Ila, her planet, ten years ago, having crossed unthinkably vast distances in slow increments, bodies and vacuum separated by a mere skin's breadth of material. Source: Internet

Now a mysterious new employer has recruited him for a last-chance run at an unthinkably powerful artificial intelligence. Source: Internet

Close letter words and terms

unthinkability unthinkable unthinkableness unthinker unthinking unthinking behavior