Ides, a day in the Roman calendar that marked the approximate middle of the month. Specifically, this may refer to the Ides of March, the date of Julius Caesar's assassination. However, every month had its ides: the 15th day of March, May, July or October, or the 13th day of any other month. Ides may also mean this day and the seven days preceding it, counting backward toward the nones.
IDES Inc., a plastics materials information management company with a vertical search engine that only indexed plastics related websites.
IDES may mean:
SAP AG's IDES, Internet Demonstration and Evaluation System
Illinois Department of Employment Security, an agency of the state of Illinois charged with assisting unemployed workers and helping stabilize the economy by administering the state’s unemployment insurance program. This employer-funded program provides temporary income replacement for individual workers who lose their jobs through no fault of their own.