The crossword solution for the term VERY, IN VERDUN is TRES, which is a French word meaning 'VERY' or 'EXTREMELY'. This term is often used in the context of the Battle of Verdun, which was one of the longest and most costly battles of World War I. The battle took place in 1916 and lasted for more than 300 days, resulting in over 700, 000 casualties. The term TRES, or 'VERY', is often used to describe the intensity of the battle and its devastating consequences.