/ Dictionary / Index O obiter dictum: Meaning and Definition of Find definitions for: ob•i•ter dic•tum Pronunciation: (ob'i-tur dik'tum), [key] — pl. ob•i•ter dic•ta an incidental or passing remark, opinion, etc. an incidental or supplementary opinion by a judge in deciding a case, upon a matter not essential to the decision, and therefore not binding as precedent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. obit obituary 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