Definition of "guerrilla" []

• A member of an irregular, usually indigenous military or paramilitary unit operating in small bands in occupied territory to harass and undermine the enemy, as by surprise raids. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "But the head of the College Republicans says he had to use what he calls guerrilla tactics."
• "Updates, 11 / 1: "In his oral histories, which he called guerrilla journalism, Mr Terkel relied on his enthusiastic but gentle interviewing style to elicit, in rich detail, the experiences and thoughts of his fellow citizens," writes"
• "There were 12 of us with M-1s strapped to our backs, not one of us trained in guerrilla warfare."