United States Army uni·teds·ta·tesarmy uncommon noun 1. the army of the United States of America; organizes and trains soldiers for land warfare SynonymsUnited States ArmyUS ArmyU. S. ArmyUSA Related words Word family United States Army Criminal Investigation LaboratoUnited States Army RangersUnited States Army Special Forces Broader terms army Parts Department of Defense Part of Army High Performance Computing Research CenterCriminal Investigation CommandSpecial ForcesUnited States Army RangersUnited States Military AcademyArmy IntelligenceArmy National Guard WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.