imperishable

/ɪmˈpɛrɪʃəbəl/
adjective
  1. Not subject to decay, destruction, or disappearance; lasting forever or for a very long time.
    • Some philosophers argue that the universe contains an imperishable energy that cannot be destroyed.
    • Diamonds are nearly imperishable, retaining their brilliance for millions of years.
    • The artist hoped to create an imperishable masterpiece that would be remembered for centuries.
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