Not indulging appetite for food or drink

• Avoiding alcohol, having gone without can
• Refraining from use
• A person who refrains from drinking intoxicating beverages
• It's a bent to get drunk around first of November, taking part in Go Sober for October?
• Showing self-restraint

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Abstinent \Ab"sti*nent\, a. [F. abstinent, L. abstinens, p. pr. of abstinere. See Abstain .] Refraining from indulgence, especially from the indulgence of appetite; abstemious; continent; temperate. --Beau. & Fl.

WordNet Word definitions in WordNet
adj. self-restraining; not indulging an appetite especially for food or drink; "not totally abstinent but abstemious" [syn: abstentious ] n. a person who refrains from drinking intoxicating beverages [syn: abstainer , nondrinker ] [ant: drinker ]

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
late 14c., from Old French abstinent (earlier astenant ) "moderate, abstemious, modest," from Latin abstinentem (nominative abstinens ) "temperate, moderate," present participle of abstinere "to refrain from" (see abstain ).