celiac
adj. C1 Advanced celi·ac
adj. describing a condition where your body cannot process gluten, a protein found in wheat and other grains. You use this to describe a person who must avoid gluten to stay healthy.
adj. relating to or suffering from celiac disease, an autoimmune disorder where the ingestion of gluten leads to damage in the small intestine. Often used as a participial adjective to describe a person's dietary requirements.
He is a celiac and must eat gluten-free bread.
The restaurant offers a dedicated celiac menu to ensure that no cross-contamination occurs with regular flour.
While many people avoid gluten for weight loss, a true celiac must strictly adhere to a gluten-free diet to prevent long-term intestinal damage and nutrient deficiencies.