Smoosh, a slang term that means to squash or crush, has various antonyms, which are words that have an opposite meaning. Some of the antonyms of smoosh include expand, inflate, elongate, stretch, and straighten. These words connote the idea of making something grow, lengthen or become longer instead of compressing or squishing it. Other antonyms of smoosh include extrude, protrude, bulge, and swell, which describe the action of forcing something outwards or making it swell, rather than pushing it down. Finally, some antonyms of smoosh may include words like release, free or liberate, which suggest the idea of letting go, removing pressure or unbinding an object or a material from a compressed state.