Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun dieting

1 sense of dieting

Sense 1
diet, dieting -- (the act of restricting your food intake (or your intake of particular foods))
       => fast, fasting -- (abstaining from food)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb diet

2 senses of diet

Sense 1
diet -- (follow a regimen or a diet, as for health reasons; "He has high blood pressure and must stick to a low-salt diet")
       => fast -- (abstain from certain foods, as for religious or medical reasons; "Catholics sometimes fast during Lent")

Sense 2
diet -- (eat sparingly, for health reasons or to lose weight)
       => fast -- (abstain from eating; "Before the medical exam, you must fast")