penetrator

pen·e·trate  (pn-trt)

v. pen·e·trat·ed, pen·e·trat·ing, pen·e·trates

v.tr.

1. To enter or force a way into; pierce.

2.

a. To enter into and permeate: The insistent rhythm of piano practice penetrated each room of the house.

b. To cause to be permeated or diffused; steep.

3. To insert the penis into the vagina or anus of.

4. To enter (an organization, for example), usually surreptitiously, so as to gain influence or information; infiltrate.

5. To enter and gain a share of (a market): penetrated the home-computer market with an affordable new model.

6. To grasp the inner significance of; understand.

7. To see through: keen eyes that penetrate the darkness.

8. To affect deeply, as by piercing the consciousness or emotions.

v.intr.

1. To pierce or enter into something; make a way in or through something.

2. To gain admittance or access.

3. To gain insight.

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[Latin penetrre, penetrt-, from penitus, deeply.]

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pene·trator n.

Thesaurus

Noun

1.

penetrator - an intruder who passes into or through (often by overcoming resistance) interloper, intruder, trespasser - someone who intrudes on the privacy or property of another without permission