'All of a sudden' definitions:
Definition of 'all of a sudden'
From: WordNet
adverb
Without warning; "all at once, he started shouting" [syn: all of a sudden, all at once]
adverb
Happening unexpectedly; "suddenly she felt a sharp pain in her side" [syn: suddenly, all of a sudden, of a sudden]
Definition of 'All of a sudden'
From: GCIDE
- 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]
Synonyms of 'all of a sudden'
From: Moby Thesaurus
- 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