un penetrating


able or tending to penetrate; piercing; sharp: a penetrating shriek; a penetrating glance.
acute; discerning: a penetrating observation.
Surgery. noting a wound that pierces the skin, especially a deep wound entering an organ or body cavity.
Also, penetrant.

1590–1600; penetrate + -ing2

penetratingly, adverb
penetratingness, noun
nonpenetrating, adjective
unpenetrating, adjective
unpenetratingly, adverb

2. keen, sharp. See acute.

1. blunt. 2. obtuse.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
penetrating (ˈpɛnɪˌtreɪtɪŋ)
tending to or able to penetrate: a penetrating mind; a penetrating voice

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1412 (implied in penetrable), from L. penetratus, pp. of penetrare "to put or get into, enter into," related to penitus "within, inmost," penus "innermost part of a temple, store of food," penates "household gods." Penetration is first attested 1605, from L. penetrationem (nom. penetratio) "a penetrating
or piercing," from penetrare. The sexual sense is attested from 1613. Penetrating in the fig. sense of "touching the feelings intensely" is attested from 1632.
Online Etymology Dictionary, © 2010 Douglas Harper
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