See also: PIMs English Noun PIMS (uncountable) (medicine) Acronym of paediatric inflammatory multisystem syndrome. (Pakistan) Acronym of Pakistan Institute of Medical Sciences. Anagrams PMIS, imps., SIMP, MIPS, PMSI, spim, simp, MIPs, IMSP, imps, IPMs, MPIsWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads