If you say that someone has a plummy voice or accent, you mean that they sound very upper-class. You usually use plummy to criticize the way someone speaks.
[British, disapproval]
...precious, plummy-voiced radio announcers.
...a plummy accent.
Synonyms: deep, posh [informal, mainly British], refined, upper-class More Synonyms of plummy
plummy in British English
(ˈplʌmɪ)
adjectiveWord forms: -mier or -miest
1.
of, full of, or resembling plums
2. British informal
(of speech) having a deep tone and a refined and somewhat drawling articulation
3. British informal
choice; desirable
plummy in American English
(ˈplʌmi)
adjectiveWord forms: ˈplummier or ˈplummiest
1.
full of or tasting of plums
2. British, Informal
good or desirable
used esp. of a job
3. Informal
rich, full, and mellow
said of a sound or voice: often (esp. Brit.) used to suggest affectation
Examples of 'plummy' in a sentence
plummy
He always imagined himself with a plummy voice, a grand life and a gin and tonic.
Times, Sunday Times (2015)
Fabulous detects a distinct Scouse twang to her normally plummy tones.
The Sun (2011)
That ripe, plummy, harvest scent on the chilly air.
Times, Sunday Times (2015)
He was best-known for his strong dislike of contemporary art - delivered in an unmistakable plummy accent.
The Sun (2015)
There was a blast of sweet plummy fruit that settled down into a dry and savoury French style laced with prunes and liquorice - gorgeous.
Times, Sunday Times (2009)
(adjective)
Definition
(of a voice) deep, rich, and usually upper-class in manner