Any human-made weapon causing indiscriminate large-scale death or destruction, especially a biological weapon, chemical weapon, nuclear weapon or radiological weapon.

plural of non-destructive read

(computing, often attributive) A read operation that does not erase the data being read in the process of reading it.

Third-person singular simple present indicative form of self-destruct

plural of destructionist

One who delights in destroying that which is valuable, or whose principles and influence tend to destroy existing institutions.

(rare) The state or condition of being destructed.