4 adjectives to describe hecatombs

Yet of old the chieftain Perseus entered into their houses and feasted among them, when that he had lighted on them as they were sacrificing ample hecatombs of asses to their god.

It was only by such preventive steps that one could put a stop to the frightful hecatomb of newly-born infants, that incessant loss of life which exhausted the nation and brought it nearer and nearer to death every day.

One cannot imagine what those horrible hecatombs are, when a powerful chief's memory must be fitly honored among these tribes of Central Africa.

Useless hecatombs, which the induced egotism of the world behind the lines thought natural; cruelties on all sides, criminal reprisals for crimesfor which these good people clamoured, and loudly applauded.

4 adjectives to describe  hecatombs