i Register
In some senses, guerrilla is marked as archaic. Watch for register when choosing this word.
ADJ
armed
urban
Fighters launched an urban guerrilla campaign to disrupt the city's transportation system.
communist, opposition, right-wing, separatist, etc.
GUERRILLA + NOUN
army, band, force, group, movement, organization, unit | commander, fighter, leader
activity, attack, campaign, offensive, raid, resistance, struggle, war, warfare
The country faced years of guerrilla attacks from rebel groups operating in the mountains.
tactics