Is there a word to describe a person who gets hungry easily? If there is, are there any antonyms for it?
closed as not a real question by Robert Cartaino♦ Nov 27 '11 at 22:48
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Someone with a fast metabolism generally gets hungry more easily, as s/he burns up consumed calories more quickly than does someone with a slow metabolism.
You could describe someone who eats small amounts frequently as a grazer or a snacker.
(See also: Teenager.)
Merriam Webster defines ravenous as 'being very greedy or eager for food.' Also, gluttonous refers to a person who overeats.
Gourmand is sometimes used as a synonym for 'glutton.'
Bulimia refers to an eating disorder characterized by consuming large amounts of food. This links to an explanation of bulimic.