Search:
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
strengthen (v.)
late 14c., from
strength
+
-en
(1). Related:
Strengthened
;
strengthening
;
strengthener
. Earlier verb was simply
strength
(12c.).