From Longman Dictionary of Contemporary Englishretchretch /retʃ/ verb [intransitive] MISICK/VOMITto try to vomit SYN gag The smell made her retch.→ See Verb table
Examples from the Corpus
retch• The smell from the creek was enough to make you retch.• Fourth Aunt listened with alarm to the sound of the middle-aged woman retching.• I followed one up the motorway just yesterday and it was all I could do to not retch.• I took off my jacket, laid it on the bed, walked to the bucket, and retched.• He felt his stomach heave and he retched against the wall.• Everyone saw him slide suddenly from his horse and bend, retching and whistling, into the grass.• He wants to retch but he does not want to make a sound.• Only fear kept him from retching when he had taken a long drink.• Nausea of vomiting or retching with great anxiety.Origin retch Old English hræcan 