A soldier in a small independent group, fighting against the government or regular forces by surprise raids. / (now rare) A non-official war carried out by small independent groups; a guerrilla war.

(military) Relating to, using, or typical of guerrilla warfare, or its principles of small independent or non-official perpetrators. / (marketing) Relating to, using, or typical of guerrilla marketing.

plural of guerrilla

Combat using groups of irregular, light, mobile troops within areas occupied by an enemy force, usually through hit-and-run tactics.

The use of television to spread countercultural propaganda.

Someone who travels for travel's sake, with or without objective; someone who spends most time "on the road".

plural of guerrilla traveler

A practitioner of guerrilla diplomacy: an individual who seeks to solve a political-diplomatic issue or otherwise bring about change in international relations not merely through channels other than those of traditional diplomacy (e.g., diplomatic missions), but entirely unsponsored by any government and undirected by any government policy.

An alternative approach to international relations characterised by dialoguing and building relationships (with the aim of solving or advocating a solution to a political-diplomatic issue) not merely outside of traditional diplomatic channels (e.g., diplomatic missions), but entirely without government direction or sponsorship (cf. public diplomacy).

Resembling or characteristic of a guerrilla or guerrilla warfare.