(a.) Dietetic.

cannibal cannibalistic carnivorous commensal dietary dietic dining eating feeding flesh-eating fruitarian gastronomic gluttonous grain-eating graminivorous granivorous grass-eating herbivorous insect-eating insectivorous lactovegetarian man-eating meat-eating mensal nourishing nutritious omnivorous omophagous pantophagous phytivorous phytophagous plant-eating postprandial prandial predacious preprandial vegetable-eating vegetarian