The foremost position in an army or fleet advancing into battle; the foremost or leading position in a trend or movement; those occupying a foremost position. Dictionary entry overview: What does vanguard mean? Political party. History. Learn more. Vanguard definition is - the forefront of an action or movement. The vanguard (also called the advance guard) is the leading part of an advancing military formation. It has a number of functions, including seeking out the enemy and securing ground in advance of the main force. How to use vanguard in a sentence. the position of greatest importance or advancement; the leading position in any movement or field; "the Cotswolds were once at the forefront of woollen manufacturing in England"; "the idea of motion was always to the forefront of his mind and central to his philosophy" the leading units moving at the head of an army 1st Class Jarion Halbisengibbs) The word vanguard, in its original military usage, dates back to the mid-1400s, first entering English as vaunt garde.This term, in turn, comes from the French word avant-garde, with avant meaning "in front" and garde as the cognate of "guard." A vanguard party is a political party at the fore of a mass-action political movement and of a revolution.In the praxis of political science, the concept of the vanguard party, composed of professional revolutionaries, was first effected by the Bolshevik Party in the Russian Revolution of 1917. the vanguard meaning: 1. the part of an army or navy that leads an attack on an enemy 2. a group of people who lead theâ¦. â¢ VANGUARD (noun) The noun VANGUARD has 3 senses:. 1. the leading units moving at the head of an army 2. any creative group active in the innovation and application of new concepts and techniques in a given field (especially in the arts) 3. the position of greatest importance or advancement; the leading position in any movement or field Definition of vanguard. Sportswriters employ the idiom as well. See more. Avant-garde definition is - an intelligentsia that develops new or experimental concepts especially in the arts. The Vanguard Program launched with the selection of three initiatives. Research execution and transition of these programs will be managed by a new, provisional Transformational Capabilities Office under the Air Force Technology executive officer. Comments expressed here do not reflect the opinions of vanguard newspapers or any employee thereof. How to use avant-garde in a sentence. Quick reaction force; Vanguard (military tactics) Battle of Tirad Pass; References The three programs are Golden Horde, Navigation Technology Satellite 3 and Skyborg. Latest News 3:12 am Interrogating militaryâs âspiritual warfareâ against Boko Haram (Photo courtesy of Sgt. Avant-garde definition, the advance group in any field, especially in the visual, literary, or musical arts, whose works are characterized chiefly by unorthodox and experimental methods. See also. An example of a famous rearguard action outside the military context is the effort by Roman emperor Julian around 362 A.D. to restore Paganism as the state religion instead of Christianity. Halbisengibbs is a recipient of the Distinguished Service Cross and the Non Commissioned Officers Association of the United States of America Military Vanguard award.