MSN home
Mail
My MSN
encarta
greeting cards
encarta
®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
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
import penetration
importance
important
importunate
importune
importunity
impose
imposing
imposition
impossibility
impossible
impossibly
impost (1)
impost (2)
impostor
imposture
impotent
Also available:
World English Dictionary
Dictionnaire Français
impregnable
im·preg·na·ble
[
im prégnəb'l
]
adjective
Definition:
1.
impossible to break into:
too strong to be captured or entered by force
an impregnable fortress
2.
unbeatable:
unable to be shaken or destroyed by any outside influence
impregnable faith
im·preg·na·bil·i·ty
[
im prègnə bíllətee
]
noun
im·preg·na·bly
[
im prégnəblee
]
adverb
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
MSN Privacy
Legal
Advertise
Feedback
Help
© 2009 Microsoft