Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • Do or make the opposite of; reverse: decriminalize.
  • Remove or remove from: delouse; deoxygenate.
  • Out of: deplane; defenestration.
  • Reduce; degrade: declass.
  • Derived from: deverbative.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • Meaning reversal, undoing or removing.
  • Intensifying.
  • Meaning from, off.

from the GNU version of the Collaborative International Dictionary of English

  • A prefix from Latin de down, from, away; as in debark, decline, decease, deduct, decamp. In words from the French it is equivalent to Latin dis- apart, away; or sometimes to de. Cf. dis-. It is negative and opposite in derange, deform, destroy, etc. It is intensive in deprave, despoil, declare, desolate, etc.

Etymologies

Middle English de-, from Old French de- (from Latin dē-, from, off, apart, away, down, out, completely, from ; or from Old French des-, out, off, apart, away, completely (from Latin dis-, dis-, and Latin dē-).
(American Heritage® Dictionary of the English Language, Fourth Edition)
From the Latin preposition  ("of, from"), which is often attached directly to the beginnings of other Latin words. (Wiktionary)

Examples

  • How it was administered I think was the problem, not the decision to have a de- Baathification process.

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  • I suppose you could say we are de- evolving back to the hairpin, then evolving forwards to the leopard from there.

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  • For temporary de- bloating, though, Dr. Passler conceded, "It will help decrease any puffiness in the body caused by inflammation."

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  • But for TCS the project was plagued with problems and de- lays from the start.

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  • The members of the NTC say they will allow former regime members into the interim government to avoid the process of de- Baathification in Iraq that saw government officials loyal to Saddam Hussein purged from office, fueling sectarian tensions.

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  • If you do, you have a risk of accelerated de- leveraging.

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  • "I have a very stressful job, and I ended up having the Google doctor telling me I need to exercise more and de- stress," Atienza said in a telephone interview.

  • The Hong Kong Monetary Authority, the de- facto central bank, relaxed capital rules for lenders this week to boost the yuan's availability as loan demand surged.

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  • "Progress that continues to de- risk the delivery of our growth program."

  • The stories-as-rumor were based on stories from fact, but they were conflated and de- and reconstructed and had become a part of Schwarzenegger’s local legend.

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