D defs.my
Entry 4 senses · 2 variants Webster, 1913

Penetrate

/pĕn'-ət-rātˌ/ · Pen·e·trate · IPA /ˈpɛnɪtɹeɪt/
01 v. t. To enter into; to make way into the interior of; to effect an entrance into; to pierce; as, light penetrates darkness.
imp. & p. p. Penetrated; p. pr. & vb. n. Penetrating
  1. 1.
    To enter into; to make way into the interior of; to effect an entrance into; to pierce; as, light penetrates darkness.
  2. 2.
    To affect profoundly through the senses or feelings; to touch with feeling; to make sensible; to move deeply; as, to penetrate one's heart with pity.
    “The translator of Homer should penetrate himself with a sense of the plainness and directness of Homer's style.” M. Arnold.
  3. 3.
    To pierce into by the mind; to arrive at the inner contents or meaning of, as of a mysterious or difficult subject; to comprehend; to understand.
    “Things which here were too subtile for us to penetrate.” Ray.
02 v. i. To pass; to make way; to pierce. Also used figuratively.
  1. 1.
    To pass; to make way; to pierce. Also used figuratively.
    “Preparing to penetrate to the north and west.” — J. R. Green.
    “Born where Heaven's influence scarce can penetrate.” Pope.
    “The sweet of life that penetrates so near.” Daniel.