aquiver

adj

1. (not-comparable)In a state of excitement, trepidation or agitation; quivering.

   “Sighing softly to the river Comes the lonely breeze, Setting Nature all a-quiver, Rustling through the trees,”

   “There is no colour line in love, and though a-quiver with ungovernable fright, for Ursula's sake black Woona went graphically through the final death contortions of the poisoned mangy pup.”

   “He had gone inland about half a mile when there came suddenly to his trained nostrils the one scent that sets the whole savage jungle aquiver—Tarzan smelled man.”

   “He said "Stand and deliver / For I am all aquiver."”

   “Almost the whole continental rim of the Pacific basin is aquiver with earthquakes and fiery with volcanoes, some frequently active, some extinct, some merely sleeping a centuries-long sleep between periods of explosive violence.”