Obliteration
Part of speech: noun
Definition: The total destruction of something The cancellation, erasure or deletion of something
Annihilation
Part of speech: noun
Definition: The act of reducing to nothing, or nonexistence; or the act of destroying the form or combination of parts under which a thing exists, so that the name can no longer be applied to it; as, the annihilation of a corporation.The state of being annihilated.The process of a particle and its corresponding antiparticle combining to produce energy.
Example sentence: Nature abhors annihilation.