Home › Words › S › slimnasticsslimnasticsslimnastics means A form of athletic exercise intended to promote weight loss.EtymologyBlend of slim + gymnastics.nounA form of athletic exercise intended to promote weight loss.e.g.“The more aesthetic want no part of slimnastics but want to express themselves in movement provided by Mime and Movement or Modern Dance classes.” — 1952, Sara A. Bruce, “The YWCA in the Nation's Capital”, in Journal of Health, Physical Education, Recreation:Definitions & examples from Wiktionary (CC BY-SA 3.0).