/ Dictionary / Index I indiscipline: Meaning and Definition of Find definitions for: in•dis•ci•pline Pronunciation: (in-dis'u-plin), [key] — n. lack of discipline or control: a campus problem of student indiscipline. an instance of this. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: indiscipline (Thesaurus) indiscerptible indiscoverable Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language