Antiverbal

Though in very different ways, Wolfe, Capote, Mailer, and Didion each define their subjects as somehow beyond words — antiverbal or nonverbal, threatening or sublime, overpowering and intense or private and intuitive […]

Othello, Horatio, and Brutus strike me as notable exemplars of laconicism, but in Hotspur's case Shakespeare creates an antiverbal bias that is not so much philosophical as it is bound up in gender stereotype.