A soldier in a small independent group, fighting against the government or regular forces by surprise raids.
Relating to, using, or typical of guerrilla warfare, or its principles of small independent or non-official perpetrators.
Relating to, using, or typical of guerrilla marketing.
Using unconventional, non-traditional, non-mainstream and often subversive practices to achieve something.
A soldier who is not a member of an official military force and who may not use regular army tactics.
One who does not regularly attend a venue.
without symmetry, regularity, or uniformity
rough
not regular; having sides that are not equal or angles that are not equal
whose faces are not all regular polygons (or are not equally inclined to each other)
nonstandard; not conforming to rules or expectations
not following the regular or expected patterns of inflection in a given language