abstentious
abs·ten·tious
adjective
1.
self-restraining; not indulging an appetite especially for food or drink
- “not totally abstinent but abstemious”
Origin
From abstention + -ous.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.