startlingly

Meanings

1. 1
   adv

   in a startling manner

   a startlingly modern voice

2. 2
   adv

   In a startling manner; surprisingly; shockingly.

   Afterwards I took it back when it was borne in upon me startlingly with what extreme nicety he had estimated the time requisite for the ‘affair.’

Etymology

From startling + -ly.