diversionary_attack has definitions from the field of military
1
[ noun ] (military) an attack calculated to draw enemy defense away from the point of the principal attack

Synonyms

diversion

Used in print

(Booton Herndon, "From Custer to Korea, The 7th Cavalry"...)

Because of this diversionary_attack the main group that had been pinned down on the hill was able to surge forward again .

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