starvation diet
From Longman Dictionary of Contemporary Englishstarvation dietstarvation dietinformalDFN when you eat very little food, especially to become thinner → starvationExamples from the Corpusstarvation diet• Nevertheless, doctors continued to support the use of starvation diets.• Some draftees embark on starvation diets so that they weigh below the acceptable level at the medical.• Now the starvation diet is beginning to slow me dawn.