inconsumable

/ˌɪnkənˈsuməbəl/
adjective
  1. Not able to be used up, eaten, or destroyed by use.
    • The diamond is nearly inconsumable, lasting for centuries without wear.
    • The ancient stone walls were nearly inconsumable by fire or weather.
    • Some plastics are designed to be inconsumable, resisting heat and chemicals.
Antonyms
What does "inconsumable" mean? | whatsthatwordmean | whatsthatwordmean