- Happening without previous notice or with very brief
notice; coming unexpectedly, or without the common preparation;
immediate; instant; speedy. - Hastly prepared or employed; quick; rapid. - Hasty; violent; rash; precipitate.
2 . Sudden
- Suddenly; unexpectedly.
3 . Sudden
- An unexpected occurrence; a surprise.
Meaning of 'sudden' (Princeton's WordNet)
1 . sudden
Meaning (1): - happening without warning or in a short space of time