← BackshareGuessunchewable/ʌnˈtʃuːəbəl/adjectiveNot able to be chewed; too hard or tough to break down with the teeth.The dog's toy was made of unchewable rubber for safety.These old gummy candies have become hard and unchewable.The steak was so overcooked it was almost unchewable.SynonymshardtoughAntonymssoftchewable