See also: -pathy English Etymology From the suffix -pathy. Noun pathy (plural pathies) (informal) A therapy 1849, “The Water-Cure”, in Journal of Health, page 230:So, no doubt, it may be applied to hydropathy, and to every other sort of pathy, and the result will be that every sort of pathy cures not all persons, but many persons...Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads