Urgent; pressing; acute.
And the basest pipe-mail pneumatical I have unblocked too, in case master father needed to cast a despatch some urgentful. A patent or something. (Context: A visiting family will be spending a night unexpectedly on 5 Misty Road. Grandma Estela prepares rooms for them, describing in her archaic language the amenities available. Source: J∙ Okram - The Mystery of the Rammed Key.)