1. [syn: suddenly, all of a sudden, of a sudden]
The Collaborative International Dictionary of English v.0.48:
Sudden \Sud"den\, n.
An unexpected occurrence; a surprise.
All of a sudden, On a sudden, Of a sudden, sooner than
was expected; without the usual preparation; suddenly.
How art thou lost! how on a sudden lost! --Milton.
He withdrew his opposition all of a sudden.
WordNet (r) 3.0 (2006):
of a sudden
adv 1: happening unexpectedly; "suddenly she felt a sharp pain
in her side" [syn: suddenly, all of a sudden, of a