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Definition of penetrating:

  1. Acute; discerning; sagacious; quick to discover; as, a penetrating mind.
  2. Having the power of entering, piercing, or pervading; sharp; subtile; penetrative; as, a penetrating odor.


knowing, intelligent, bully, peachy, acuate, cracking, cunning, perspicacious, trenchant, tart, neat, slap-up, sagacious, stabbing, smashing, exquisite, crisp, lancinating, astute, knifelike, penetrative, perceptive, probing, crafty, swell, great, clear-sighted, abrupt, sensitive, subtle, needlelike, sharp-worded, sharp, piercing, acute, subtile, not bad, corking, shrewd, keen, discriminating, groovy, dandy, bang-up, discerning, incisive, careful, intense, lancinate, nifty, precipitous.

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