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imperfect competition
imperfect fungus
imperfection
imperfective
imperforate
imperia
imperial
imperial gallon
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Imperial Valley
imperialism
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impenetrable
im·pen·e·tra·ble
[
im pénnətrəb'l
]
adjective
Definition:
1.
impossible to get in or through:
not able to be passed through or entered
The woods formed an impenetrable barrier.
2.
incomprehensible:
impossible to understand or discern
impenetrable legal jargon
3.
closed to influence:
not open to intellectual or moral influences, impressions, or ideas
im·pen·e·tra·bil·i·ty
[
im pènnətrə bíllətee
]
noun
im·pen·e·tra·bly
[
im pénnətrə blee
]
adverb
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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im·pen·e·tra·bil·i·ty [ im pènnətrə bíllətee ] nounim·pen·e·tra·bly [ im pénnətrə blee ] adverb
