noun
dieter
noun
1
A person who is following a diet, typically to lose weight.
"The cafe added a low-calorie menu for dieters."
How to Use Dieter
Learner’s notesIn plain EnglishSomeone actively trying to control what they eat, usually to lose weight.
Word Forms
dieters plural
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The cafe added a low-calorie menu for _____.
Etymology
Formed from diet + -er, following the usual pattern for "someone who does X."