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We found 36 dictionaries with English definitions that include the word penetrate:
Click on the first link on a line below to go directly to a page where "penetrate" is defined.

General (29 matching dictionaries)

1. penetrate: Merriam-Webster.com [home, info]
2. penetrate: Oxford Dictionaries [home, info]
3. penetrate: American Heritage Dictionary of the English Language [home, info]
4. penetrate: Collins English Dictionary [home, info]
5. penetrate: Vocabulary.com [home, info]
6. penetrate: Macmillan Dictionary [home, info]
7. Penetrate, penetrate: Wordnik [home, info]
8. penetrate: Cambridge Advanced Learner's Dictionary [home, info]
9. penetrate: Wiktionary [home, info]
10. penetrate: Webster's New World College Dictionary, 4th Ed. [home, info]
11. penetrate: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. penetrate: Infoplease Dictionary [home, info]
13. penetrate: Dictionary.com [home, info]
14. penetrate: Online Etymology Dictionary [home, info]
15. penetrate: UltraLingua English Dictionary [home, info]
16. penetrate: Cambridge Dictionary of American English [home, info]
17. Penetrate: Wikipedia, the Free Encyclopedia [home, info]
18. Penetrate: Online Plain Text English Dictionary [home, info]
19. penetrate: Webster's Revised Unabridged, 1913 Edition [home, info]
20. penetrate: Rhymezone [home, info]
21. penetrate: AllWords.com Multi-Lingual Dictionary [home, info]
22. penetrate: Webster's 1828 Dictionary [home, info]
23. penetrate: Free Dictionary [home, info]
24. penetrate: Mnemonic Dictionary [home, info]
25. penetrate: WordNet 1.7 Vocabulary Helper [home, info]
26. penetrate: LookWAYup Translating Dictionary/Thesaurus [home, info]
27. penetrate: Dictionary/thesaurus [home, info]

Business (2 matching dictionaries)

28. penetrate: Legal dictionary [home, info]
29. penetrate: Financial dictionary [home, info]

Computing (1 matching dictionary)

30. penetrate: Encyclopedia [home, info]

Medicine (2 matching dictionaries)

31. penetrate: online medical dictionary [home, info]
32. penetrate: Medical dictionary [home, info]

Miscellaneous (1 matching dictionary)

33. penetrate: Idioms [home, info]

Sports (1 matching dictionary)

34. Penetrate: Sports Terms [home, info]

(Note: See penetrating for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (penetrate) ▸ verb:  come to understand ▸ verb:  pass into or through, often by overcoming resistance ("The bullet penetrated her chest") ▸ verb:  insert the penis into the vagina or anus of ("Did the molester penetrate the child?") ▸ verb:  make one's way deeper into ar through ("The hikers did not manage to penetrate the dense forest") ▸ verb:  enter a group or organization in order to spy on the members ▸ verb:  spread or diffuse through ("Music penetrated the entire building") ▸ verb:  become clear or enter one's consciousness or emotions ("She was penetrated with sorrow") ▸ Also see penetrating ▸ Word origin ▸ Words similar to penetrate ▸ Usage examples for penetrate ▸ Words that often appear near penetrate ▸ Rhymes of penetrate ▸ Invented words related to penetrate