adj. Not destructible; incapable of decomposition or of being destroyed; invincible.
the GNU version of the Collaborative International Dictionary of English
adj. Not destructible; incapable of decomposition or of being destroyed.
The Century Dictionary and Cyclopedia
Not destructible; incapable of being destroyed.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. very long lasting
adj. not easily destroyed
Word Usage
"The fundamental argument for its existence was the immediate appeal to self-consciousness; and it was further defined as indestructible on the ground of its being utterly discontinuous and incommensurable with its material environment."