notorious UK /nə(ʊ)ˈtɔː.ɹɪ.əs/US /nəˈtɔ.ɹi.əs/adjective 5adverb 1forms 2 adjective5 •Of a person or entity: generally or widely known for something negative; infamous.Such Men these had, to Mischiefe vvholly bent, / In Villanie, notorious for their skill, / Dishonest, desp'rate, mercilesse, and rude, / That dar'd into Damnation to intrude. — 1630 •Generally or widely known; of common knowledge; famous or well-known.Lett him [God] notorious make, / That in good part he did thy offrings take. — 1587 •Of an act, situation, etc.: blameworthy in an obvious and offensive way; blatant, flagrant.Sir, sir, I shall haue Lavv in Ephesus, / To your notorious shame, I doubt it not. — 1594 •(no longer used) Generally or widely knowable.But what hope is there to haue fidelitie well kept amonge us in promises and bargaynes, whan for the breache therof is prouided no punisshement, nor yet notorious rebuke; […] — 1531 •(no longer used) Clear, evident, obvious.[T]he failing in any one of these [members of the body] vvould cause Irregularity in the Body, and in many of them such as vvould be very notorious. — 1691 adverb1 •(no longer used) Synonym of notoriously. formsmore notorious · most notorious