- happening, coming, made, or done quickly, without warning, or unexpectedly: a sudden attack.
- occurring without transition from the previous form, state, etc.; abrupt: a sudden turn.
- impetuous; rash.
- quickly made or provided.
- unpremeditated.
- without warning; suddenly.
- an unexpected occasion or occurrence.
- without warning; unexpectedly; suddenly.
- occurring or performed quickly and without warning
- marked by haste; abrupt
- rash; precipitate
- an abrupt occurrence or the occasion of such an occurrence (in the phrase on a sudden)
- without warning; unexpectedly
- without warning; suddenly
