undigestible

adjective un·di·gest·ible \ ˌən-dī-ˈje-stə-bəl , -də- \

Definition of undigestible

: unable to be digested : not digestible : indigestible
  • … owl pellets—the balls of undigestible bones and fur coughed up by the birds …
  • —Judith Stone

First Known Use of undigestible

1611

in the meaning defined above

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Medical Dictionary

undigestible

adjective un·di·gest·ible \ -dī-ˈjes-tə-bəl \

medical Definition of undigestible

: not capable of being digested

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