vomit 0 antonyms and opposites of vomit. Verb — To bring up the contents of the stomach through the mouth. Synonyms for vomit barf be sick bring up chunder hurl lose one's lunch puke shoot the cat sick spew spew up throw up bait boke boot honk pavement pizza purging ralph sprog throwup throw-up upchuck yak multicolour yawn liquid laugh Technicolor yawn vomitus ← Back to the full definition of vomit