abstemious in WordNet English dictionary

1. sparing in consumption of especially food and drink
   "the pleasures of the table, never of much consequence to one naturally abstemious"- John Galsworthy
   abstemious 
   
2. marked by temperance in indulgence
   "abstemious with the use of adverbs"; "a light eater"; "a light smoker"; "ate a light supper"
   abstemious  light