quword
趣词
Word Origins Dictionary
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
unthinking (adj.)
[unthinking 词源字典]
1670s, "unreflecting;" 1680s, "heedless," from
un-
(1) "not" + present participle of
think
(v.).
[unthinking etymology, unthinking origin, 英语词源]