Of pronunciation: Perhaps originally: With ‘wider’ or ‘lower’ vowel-sounds (i.e. with the back or the front oral cavity more dilated); but…

In similative and figurative phrases, with reference to the idea that indistinct or mannered speech suggests that one's mouth is full of plums; (in…

Vividly perceptible, marked, definite. Of a person's accent: having many nonstandard features, broad.

Of an accent, manner of speech, etc.: (supposedly) characteristic of the educated classes; refined, proper.

Of, pertaining to, or characteristic of Kensington; spec. denoting refined or affected speech.

attributive. Designating or relating to people or things originating from or associated with Morningside; spec. designating the supposedly…

Formed, shaped, fashioned, or made by cutting; having the surface shaped or ornamented by grinding and polishing, as cut glass; also (transferred…

U.S. colloquial. Designating an upper-class accent associated with the north-eastern United States (see lockjaw, n. 2); (of a person) having such an…