suddenly

(r) happening unexpectedly
- suddenly she felt a sharp pain in her side
of a sudden, all of a sudden,
(r) quickly and without warning
- he stopped suddenly
abruptly, dead, short,
(r) on impulse; without premeditation
- he decided to go to Chicago on the spur of the moment
- he made up his mind suddenly
on the spur of the moment,

Synonyms

of a sudden all of a sudden abruptly dead short on the spur of the moment

Words of close approximity