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
unmistakable (adj.)
[unmistakable 词源字典]
1660s, from
un-
(1) "not" +
mistake
(v.) +
-able
. Related:
Unmistakably
.
[unmistakable etymology, unmistakable origin, 英语词源]