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
inadequacy
noun
1.
lack of an adequate quantity or number
deficiency
insufficiency
Antonym:
adequacy
2.
a lack of competence
insufficiency
3.
unsatisfactoriness by virtue of being inadequate
inadequateness
Antonym:
adequacy