A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
all of a sudden
adv
1.
suddenly
all at once
2.
quickly and without warning
astart
abruptly
dead
of a sudden
on the spur of the moment
short
suddenly