/ Dictionary / Index I indecorous: Meaning and Definition of Find definitions for: in•dec•o•rous Pronunciation: (in-dek'ur-us, in"di-kôr'us, -kōr'-), [key] — adj. not decorous; violating generally accepted standards of good taste or propriety; unseemly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: indecorous (Thesaurus) indecomposable indecorum Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language