The actor's diction was so poor I could hardly understand what he was saying.
The student's essay was full of careless diction.
He has wisely chosen to render almost all the material in what novelists and writers of creative nonfiction like to call “close third person,” approximating the diction and consciousness of his characters but retaining the freedom to wander into the bigger picture. —Thomas Mallon, New York Times Book Review, 22 Feb. 2009
No one is better than Didion at using flatness of affect and formality of diction to convey seething anger and disdain. —New Yorker, 8 Oct. 2001
When he sang Anatol in the world premiere of Samuel Barber's Vanessa, in 1958, Gedda's performance received high marks for impeccable diction and enunciation—in that mostly American cast, he was the only principal whose English could be understood. —Patrick J. Smith, Opera News, November 1999