Related to Unpenetrable: impenetrable


References in periodicals archive ?
As individuals they were strong, as a unit they were largely unpenetrable.
Nav Canada is a faceless, unpenetrable agency answerable to no one.
It just seems that in the FA Cup certain omens are unpenetrable.
Despite miss-spelling the Friends' star's name - it's Courteney - this has little to do with the actress - or I think it doesn't as the lyrics are quite unpenetrable.
Andy Townsend (inset) is a far more lucid football observer, who doesn't need to come up with the odd unpenetrable phrase like 'reducer' [basically, a foul on a skillful player] and 'little eyebrows' [a near-post flick-on header] to keep you interested.
Instead, consumers disappear behind the reassuring but unpenetrable wall of the Securicor/Safedoor brand.
Along with tariff barriers, India has designed and perpetuated almost unpenetrable non-tariff barriers to imports from other countries such as the import licensing system, canalisation, the actual user policy, phased manufacturing programmes that provide for progressive import substitution, industrial licensing, and government purchase preferences given to domestic producers.
This is a heartwarming, real-as-life story of a young black woman's mission to build her career and conquer a world that, at best, seems unpenetrable and, at worst, hostile.