birden
instantaneous. suddenly. at a stroke. all of a sudden. at one heat. at once. per saltum. plump. pop. sharp. short. slap. slap-bang. snap.

birden
suddenly. at once. short. bang. all of a sudden. all at once ansızın. aniden. at a time. at the same time.

birden
all of a sudden. suddenly. outright.

birdenbire
suddenly. on a sudden. in a flash. out of clear sky. abruptly. all at once. at once. all of a sudden.

birdenbire
suddenly ansızın. aniden.

birdenbire
all of a sudden. suddenly.