/ Dictionary / Index A abstainer: Meaning and Definition of Find definitions for: ab•stain•er Pronunciation: (ab-stā'nur), [key] — n. a person who abstains from something regarded as improper or unhealthy, esp. the drinking of alcoholic beverages. a person who abstains from anything. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: abstainer (Thesaurus) abstain abstemious Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language