D defs.my
Entry 2 senses Webster, 1913

Penetrating

/pĕn'-ət-rātˌ-ĭng/ · Pen·e·tra·ting · IPA /ˈpɛnɪtɹeɪtɪŋ/
01 a. Having the power of entering, piercing, or pervading; sharp; subtile; penetrative; as, a penetrating odor.
  1. 1.
    Having the power of entering, piercing, or pervading; sharp; subtile; penetrative; as, a penetrating odor.
  2. 2.
    Acute; discerning; sagacious; quick to discover; as, a penetrating mind.