Learner's definition of DESTRUCTION
: the act or process of damaging something so badly that it no longer exists or cannot be repaired : the act or process of destroying something
— often + of
a scene of destruction
War results in death and widespread destruction.
We are trying to save the building from destruction.
weapons of mass destruction [=weapons that can destroy entire buildings, cities, etc.]
His phenomenal success carried within it the seeds of its own destruction. [=the thing that made him successful eventually caused him to fail]