adv 1: happening unexpectedly; "suddenly she felt a sharp pain in
her side" [syn: all of a sudden, of a sudden]
2: quickly and without warning; "he stopped suddenly" [syn: abruptly, short, dead]
3: 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]