obiter adverb 1noun 1forms 1 adverb1 •(formal) Incidentally; in passing.I will not here stand to discuss obiter, whether stars be causes, or signs; or to apologize for judicial astrology. — 2001 noun1 •An obiter dictum; a statement from the bench commenting on a point of law which is not necessary for the judgment at hand and therefore has no judicial weight, as opposed to ratio decidendi. formsobiters