trench warfare

1. A struggle (usually prolonged) between competing entities in which neither side is able to win (synset 101239198)
   "the hope that his superior campaigning skills would make a difference evaporated in the realization that electioneering had become a form of trench warfare"
   is a type of: war, warfare - an active struggle between competing entities
2. A type of armed combat in which the opposing troops fight from trenches that face each other (synset 100967063)
   "instead of the war ending quickly, it became bogged down in trench warfare"
   is a type of: armed combat, combat - an engagement fought between two military forces

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