Oxford English Dictionary (Citations Omitted)
adj. and adv.
Pronunciation: Brit. /nə(ʊ)ˈtɔːrɪəs/ , U.S. /nəˈtɔriəs/ , /noʊˈtɔriəs/
I. With neutral or favourable connotations.
a. Of a fact: well known; commonly or generally known; forming a matter of common knowledge. Cf sense A. 5a.
b. Of a person, place, etc.: well or widely known; famous; (in later use) esp. noted for a particular quality or feature. Cf. sense A. 5b.
2. That may be generally or openly known; publicly knowable. Obs.
3. Conspicuous; obvious, evident. Obs.
II. With depreciative or unfavourable connotations.
In some cases it is not possible to ascertain the writer’s intent. Some milder quotations may belong at sense A. I.
a. Of a criminal, sinner, etc.: noted or well known in that capacity; infamous.
b. Of a reprehensible action, fact, etc.: noted or well known for its egregiousness; flagrant.
5. Well known on account of something which is not generally approved of or admired; unfavourably known; noted for some bad practice, quality, etc.
a. Of an action, fact, etc.
b. Of a person, place, etc.
6. Discreditable or disgraceful to a person. Obs. rare—1.
= notoriously adv. Obs.
adj. (15c) 1. Generally known and spoken of, usu. unfavorably. 2. (Of possession of property) so conspicuous as to impute notice to the true owner.