"Undestroyable" is a word in ENGLISH

dî- - A negative prefix similar to the English in- and un-, e.g. dîhímpit— not perfect, imperfect; dî mahinulsúlon—not contrite, …

Not perishable; not subject to decay; indestructible; enduring permanently; as, an imperishable monument; imperishable renown.

That can not be annulled; indestructible.

The quality of being indestructible.

Not destructible; incapable of decomposition or of being destroyed.

A bone of the human body which was supposed by certain Rabbinical writers to be indestructible. Its location was a …

The elementary and indestructible units which were conceived of as endowed with the power to produce all the changes they …

A species of cloth, of a firm texture, originally brought from China, made of a species of cotton (Gossypium religiosum) …