in deep

Slang Dictionary

deep definition


  1. mod.
    intense; profound. : She gave this really deep speech to us about how we should stay off drugs.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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Slang Dictionary

in deep definition


  1. mod.
    deeply involved (with someone or something). : Bart is in deep with the mob.
  2. mod.
    deeply in debt. (Often with with or to.) : Sam is in deep with his bookie.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
Cite This Source
American Heritage
Idioms & Phrases

in deep

  1. Seriously involved; far advanced. For example, He was in deep with the other merchants and couldn't strike out on his own, or She used her credit cards for everything, and before long she was in deep.

  2. in deep water. Also, in over one's head. In trouble, with more difficulties than one can manage, as in The business was in deep water after the president resigned, or I'm afraid Bill got in over his head. These metaphoric expressions transfer the difficulties of being submerged to other problems. The first appears in Miles Coverdale's 1535 translation of the Book of Psalms (68:13): "I am come into deep waters." The second, which also can signify being involved with more than one can understand, dates from the 1600s. Also see over one's head.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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