plummiest

“At some point, I'll find a knife to stick in the notion that the plummiest of vibrating singers and this lot are plummy must be accompanied in Mozart by that lean-mean-string-thing, that silly period-practice-equals-no-vibrato tokenism...”

The Red Shoes - a.k.a. Cosi fan tutte

“There is no such thing as society," Augusto Pinochet's close friend, Margaret Thatcher, once intoned in her plummiest la-di-dah accent.”

In alta tende

“Obediently, I told him in my plummiest of voices, ‘I assure you, Mr Ledbetter will behave himself.’”

The Beekeeper's Apprentice

“Just over a year ago, to be a literary agent in the Anglo-American world of books must have seemed like the plummiest, most glamorous job imaginable.”

Culture | guardian.co.uk

“Imagine John Gielgud at his plummiest reading the dialogue from, say, "The Hangover.”

NYT > Home Page

“In those days, here in San Francisco, some may have thought Victor Arimondi had the plummiest job in town.”

San Francisco Sentinel

“Were it not for the fact that we are still using tapes to record onto (I was shocked – when I explained that “Personally, I don’t even use CDs anymore” they were all quite taken aback) the resulting recording could be used as an example of the plummiest British accent for any American film-of-the-week star.”

…owning ‘fabulous’ « Sven’s guide to…

““I’m sorry to disturb you,” Alexa said in her plummiest antique gallery tones.”

Simon & Schuster: Eye of the Beholder