pish I. \ps, psh; often read as ˈpish\interjection Etymology: origin unknown — used to express disdain or contempt II. \ˈpish\verb (-ed/-ing/-es) intransitive verb : to express disdain or contempt by or as if by saying pish < pished and pshawed a little at what had happened — Thomas Hughes > transitive verb : to dismiss or reject by or as if by saying pish