The word for today is…
orotund (adjective):
1: marked by fullness, strength, and clarity of sound : sonorous
2: pompous, bombastic
Source : Merriam -Webster
Etymology : Shaping one’s mouth into an o-shape is pretty much a surefire way to produce an orotund or resonant sound, that is full, strong, and loud. Orotund comes from the Latin phrase ore rotundo, literally meaning “with round mouth.” It was adopted into English in the late 18th century to describe the strength of one’s vocal delivery but has since picked up an additional sense of “pompous” or “bombastic” to describe inflated speech that may be full of sound and fury, yet signifies nothing.
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