dieting
n. uncountable B1 Intermediate US //ˈdaɪətɪŋ// UK //dˈaɪətɪŋ// di·et·ing
n. the act of eating less food or only specific types of food to lose weight or improve health.
n. the practice of following a regulated course of food and drink for the purpose of weight reduction or medical management.
She says that dieting makes her feel tired and hungry.
Many people find that strict dieting is less effective for long-term health than making small, permanent lifestyle changes.
The multi-billion dollar wellness industry often promotes extreme dieting as a quick fix, despite clinical evidence suggesting that such restrictive habits can damage metabolic health.
Usage
Often used as a gerund to describe the ongoing activity or lifestyle choice.