Between games, sitting on the davenport, Babbitt spoke to her with the requisite gallantry, that sonorous Floral Heights gallantry which is not flirtation but a terrified flight from it: "You’re looking like a new soda-fountain to night, Louetta."
III If you had asked Babbitt what his religion was, he would have answered in sonorous Boosters’-Club rhetoric, "My religion is to serve my fellow men, to honor my brother as myself, and to do my bit to make life happier for one and all."
True, it was a good advertisement at Boosters’ Club lunches, and all the varieties of Annual Banquets to which Good Fellows were invited, to speak sonorously of Unselfish Public Service, the Broker’s Obligation to Keep Inviolate the Trust of His Clients, and a thing called Ethics, whose nature was confusing but if you had it you were a High-class Realtor and if you hadn’t you were a shyster, a piker, and a fly-by-night.
Babbitt was to be heard sonorously agreeing with the once-hated Miss Minnie Sonntag that persons who let a night go by without dancing to jazz music were crabs, pikers, and poor fish; and he roared "You bet!" when Mrs. Carrie Nork gurgled, "Don’t you love to sit on the floor?
There are no more uses of "sonorous" in the book.
Show samples from other sources
The candidate discussed weighty matters in rich, sonorous tones.
I prefer traditional sonorous chords to the dissonant chords with which she likes to experiment.