all of a sudden
adv 1: without warning; "all at once, he started shouting" [syn:
{all of a sudden}, {all at once}]
2: happening unexpectedly; "suddenly she felt a sharp pain in
her side" [syn: {suddenly}, {all of a sudden}, {of a sudden}]
Sudden \Sud"den\, n.
An unexpected occurrence; a surprise.
[1913 Webster]
{All of a sudden}, {On a sudden}, {Of a sudden}, sooner than
was expected; without the usual preparation; suddenly.
[1913 Webster]
How art thou lost! how on a sudden lost! --Milton.
[1913 Webster]
He withdrew his opposition all of a sudden.
--Thackeray.
[1913 Webster]
29 Moby Thesaurus words for "all of a sudden": abruptly, bang, dash, hastily, impetuously, impulsively, like a flash, like a thunderbolt, of a sudden, on short notice, plop, plump, plunk, pop, precipitantly, precipitately, precipitously, sharp, short, slap, smack, startlingly, sudden, suddenly, surprisingly, unawares, unexpectedly, without notice, without warning