Definitions
1.nounA soldier in a small independent group, fighting against the government or regular forces by surprise raids.
2.nounA non-official war carried out by small independent groups; a guerrilla war.
3.adjectiveRelating to, using, or typical of guerrilla warfare, or its principles of small independent or non-official perpetrators.
4.adjectiveRelating to, using, or typical of guerrilla marketing.