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2. trench warfare-a type of armed combat in which the opposing troops fight from trenches that face each other; instead of the war ending quickly, it became bogged down in trench warfare. armed combat, combat-an engagement fought between two military forces. Translations.
World War 1 trenches were dirty, smelly and riddled with disease. For soldiers life in the trenches meant living in fear. In fear of diseases (like cholera and trench foot) and of course, the constant fear of enemy attack.orld War 1 trench warfare was so intense that 10% of all the soliders who fought were killed. Thatâs more than double the percentage of fighting soldiers who were killed in the Second World War (4.5%).