Synonyms of the word

unchewable

• adj. That cannot be chewed.

fibrous

• adj. Of or pertaining to fibre.

sinewy

• adj. Tough; having strong sinews.
• adj. (figuratively) Having or showing nervous strength.
• adj. (of a person) Possessing physical strength and weight; rugged and powerful.

stringy

• adj. Composed of, or resembling, string or strings.
• adj. (of a person) Wiry, lean, scrawny.
• adj. (programming, informal) Resembling or involving text strings.

tough

• adj. Strong and resilient; sturdy.
• adj. (of food) Difficult to cut or chew.
• adj. Rugged or physically hardy.
• adj. Stubborn.
• adj. (of weather etc) Harsh or severe.
• adj. Rowdy or rough.
• adj. (of questions, etc.) Difficult or demanding.
• adj. (material science) Undergoing plastic deformation before breaking.
• interj. (slang) Used to indicate lack of sympathy.
• n. A person who obtains things by force; a thug or bully.
• v. To endure.
• v. To toughen.