Definition of "impen" [im•pen]

• To shut up or enclose, as in a pen. (verb)

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• "Gerard saw no cave, only thick and impen - etrable forest, until one of the elves picked up what appeared to be a stand of young trees and moved it."
• "A rush of psi energy entered me like a succubus, stealing my breath away ur * y flesh against her flesh completed some forbidden circuit and took out all of my mind's defenses ... the impen -"
• "If humanity resided anywhere beyond that impen-etrable barrier of faded yellow paper, she had no idea what it might look like."