/ Dictionary / Index D demerit: Meaning and Definition of Find definitions for: de•mer•it Pronunciation: (di-mer'it), [key] — n. a mark against a person for misconduct or deficiency: If you receive four demerits during a term, you will be expelled from school. the quality of being censurable or punishable; fault; culpability. merit or desert. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: demerit (Thesaurus) demerara Demerol Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language