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
cloak-and-dagger
adj
1.
conducted with or marked by hidden aims or methods
clandestine
hole-and-corner
hugger-mugger
hush-hush
secret
surreptitious
undercover
underground