/ Dictionary / Index D disciplinary: Meaning and Definition of Find definitions for: dis•ci•pli•nar•y Pronunciation: (dis'u-plu-ner"ē), [key] — adj. of, for, or constituting discipline; enforcing or administering discipline: disciplinary action. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: disciplinary (Thesaurus) disciplinarian discipline Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language