Definition of "deep" []

• Extending far downward below a surface: a deep hole in the river ice. (adjective)
• Extending far inward from an outer surface: a deep cut. (adjective)
• Extending far backward from front to rear: a deep walk-in refrigerator. (adjective)
• Extending far from side to side from a center: a deep yard surrounding the house. (adjective)
• Far distant down or in: deep in the woods. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I tell you "-- his eyes were looking deep, _deep_, into the eyes of Rose-Marie and he spoke directly to her," I tell you, dear -- I've learned a great many lessons in the last few weeks."
• "Shall ring in my ears as I sink from gulf to gulf and from deep to deep—"
• "_Tiamat_ is the name given to the Babylonian mother of the universe, the dragon of the deep; and in Genesis it is written that "darkness was upon the face of the _deep_ (_tehōm_).""