'Suddenly' definitions:

Definition of 'suddenly'

From: WordNet
adverb
Happening unexpectedly; "suddenly she felt a sharp pain in her side" [syn: suddenly, all of a sudden, of a sudden]
adverb
Quickly and without warning; "he stopped suddenly" [syn: abruptly, suddenly, short, dead]
adverb
On impulse; without premeditation; "he decided to go to Chicago on the spur of the moment"; "he made up his mind suddenly" [syn: on the spur of the moment, suddenly]

Definition of 'Suddenly'

From: GCIDE
  • Sudden \Sud"den\, a. [OE. sodian, sodein, OF. sodain, sudain, F. soudain, L. subitaneus, fr. subitus sudden, that has come unexpectedly, p. p. of subire to come on, to steal upon; sub under, secretly + ire to go. See Issue, and cf. Subitaneous.]
  • 1. Happening without previous notice or with very brief notice; coming unexpectedly, or without the common preparation; immediate; instant; speedy. "O sudden wo!" --Chaucer. "For fear of sudden death." --Shak. [1913 Webster]
  • Sudden fear troubleth thee. --Job xxii. 10. [1913 Webster]
  • 2. Hastly prepared or employed; quick; rapid. [1913 Webster]
  • Never was such a sudden scholar made. --Shak. [1913 Webster]
  • The apples of Asphaltis, appearing goodly to the sudden eye. --Milton. [1913 Webster]
  • 3. Hasty; violent; rash; precipitate. [Obs.] --Shak. [1913 Webster]
  • Syn: Unexpected; unusual; abrupt; unlooked-for. [1913 Webster] -- {Sud"den*ly}, adv. -- {Sud"den*ness}, n. [1913 Webster]