subitaneously

comparative more subitaneously · superlative most subitaneously

1. formalsuddenly

   It consists in a sudden accumulation of blood in the vessels, and a general plethora of the system, which manifests itself subitaneously.

   1845, The Veterinary record, and Transactions of the Veterinary Medical Association.

   1 more example

   The ear of the appalled adventurers was subitaneously invaded, and their attention averted from the contemplation of sleeping beauty, by a shrill and bursting crash of earthly music.

   1851, Robert Bigsby, Old Places Revisited, or The Antiquarian's Enthusiast