The Collaborative International Dictionary
Of a sudden
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.
--Thackeray.
Wiktionary
of a sudden
adv. (alternative form of all of a sudden English)
WordNet
of a sudden
adv. happening unexpectedly; "suddenly she felt a sharp pain in her side" [syn: suddenly, all of a sudden]
Usage examples of "of a sudden".
All of a sudden there was a flash of red from the green knob straight up into the air.