Synonym: invincible, resistant, strong, unassailable, unconquerable. Similar words: pregnant, pregnancy, impress, imprecise, impressive, impression, enable, unable. Meaning: [ɪm'pregnəbl] 
adj. 1. able to withstand attack 2. capable of conceiving 3. incapable of being overcome, challenged or refuted.
adj. 1. able to withstand attack 2. capable of conceiving 3. incapable of being overcome, challenged or refuted. 
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31 Their partner relation is as impregnable as the rock.
32 The lawyer won his case with an impregnable argument.
33 Reason: It is an impregnable fortress Fu Yu disaster.
34 Their impregnable arguments are hard to rebut.
35 Impregnable pass is overflowed , pu Dingzheng is striding strong and vigorous walking hasty and forward.
36 Only in this way can you be an impregnable position for good.
37 Do pair of hackers trade on stockjobber net with respect to impregnable?
38 Has had the perfect product and the service channel, we can stand firm in the market, in mixes the cards in the process is in an impregnable position.
39 They were all impregnable, as the Party intended that they should be.
40 The dike that is protected by Mangrove forest is impregnable!
41 Wants to be in an impregnable position in the market competition, the enterprise must renew the cost control idea, its key must look at the enterprise cost expense depression.
42 But he has also revealed how some ill-judged words from a TV pundit played a part in his impregnable display against Arsenal on Sunday.
43 Business then had entrenched itself into an impregnable position in American life.
44 When fluctuation in input voltages or inconformity of welding materials occurs[sentencedict.com], the effect of welding is basically impregnable within an appropriate range.
45 They is virtually impregnable to attack from any other party.
46 Before World War II, the French regarded their Maginot Line as an impregnable bulwark against a German invasion.
47 Because the United States to take the Keynesian state intervention policy after World War II increase in national strength, the world's more powerful position impregnable .
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48 Over time Nansen came to "laugh at the ice; we are living as it were in an impregnable castle."
49 "Ashamed of drinking! " The tippler brought his speech to an end, and shut himself up in an impregnable silence.
50 No monarch in his impregnable fortress is more secure than the cony in his rocky burrow.
51 In those impregnable mountains, the guerrillas could hold out for years.
52 His position is impregnable as long as the sun shines.
More similar words: pregnant, pregnancy, impress, imprecise, impressive, impression, enable, unable, tenable, amenable, definable, untenable, personable, examinable, attainable, abominable, reasonable, inalienable, sustainable, interminable, unreasonable, unattainable, unimaginable, comprehensible, unquestionable, incomprehensible, impalpable, implacable, impermeable, impeccable.