Word.ws English Dictionary

deprove

deprove verb: to worsen.

Verb (1)

deprove (third-person singular simple present deproves, present participle deproving, simple past and past participle deproved)

  1. (ambitransitive, rare) To worsen.
    • As you can see, Sacramento, the Lakers and Mavericks have improved tremendously from last season, with a quite negligible difference between the three teams. And it's now official; Da Warriors are the most deproved team in the league, with Miami falling apart rapidly.1995 February 18, Chua Hak Lien, “Most Improved / Most Deproved Teams..”, in rec.sport.basketball.pro (Usenet)
    • Although, we all celebrate, every August of our independence and our liberation from the holds of the British and of having been great motivators of democracy for so long, what have we achieved in essence? A booming birth rate, increasing poverty, widening status gap, deproving socio-economic...1998 May 10, Mo, quoting M.K. Ali Reza, “Democracy has failed us.”, in alt.religion.islam (Usenet)

Verb (2)

deprove (third-person singular simple present deproves, present participle deproving, simple past and past participle deproved)

  1. (nonstandard, rare, transitive) To disprove.
    • Perhaps, however I feel it to be more than a simple hypothesis. A "hypothesis" is tested, and thus, while no actual "proof" exists, failure to "deprove" the original hypothesis supports it.1996 May 31, Mark Baerlocher, “To Mitchell Holman (deterrent)”, in alt.activism.death-penalty (Usenet)
    • You're right to an extent, unfortunately. And this is due to Christianity getting focused upon a detail of theology rather than how to deal with the real world. Deproving the Resurrection would not invalidate the teachings of Jesus the man. But Christianity is so obscessed with that one detail that...1999 May 10, Roy Osborn, “the creator, Mythology, and what we know”, in alt.astronomy (Usenet)

Examples of deprove in a sentence

  • Considering this is meant to IMPROVE on the original, and in fact they DEPROVED it (if that isn't a word, it should be).1999, Daxx, “Moto Racer 2 (c) EA / Delphins Software”, in GameOver, archived from the original on 23 Feb 1999; quoted in Brian Warming...
  • I think Kevlin wants to deprove the station or keep bad things the same.1999 March 10, 96163497 [Timmy Langner], “TRUK budget day news.......”, in alt.radio.uk.talk-radio (Usenet):
  • After that, whenever either of us played a bad match, we'd say we were shooting for the "Most Deproved" award.2003 February 12, [Joe Ramirez] <jramire@attglobal.net>, “First Date - random comments - spoilers”, in alt.tv.buffy-v-slayer (Usenet):
  • They use specific properties of said deity to deprove it, or at least, attempt to.2001 December 14, John Kang, “The case for Strong Atheism”, in alt.atheism (Usenet):

Forms of deprove

third-person singular presentdeproves
present participledeproving
past participledeproved
pastdeproved

Origin of deprove

By altering improve with de-.

From de- + prove.

Questions about deprove

What does deprove mean?
Deprove means to worsen.
How do you use deprove in a sentence?
Considering this is meant to IMPROVE on the original, and in fact they DEPROVED it (if that isn't a word, it should be).
What part of speech is deprove?
Deprove is a verb.
What is the past tense of deprove?
The past tense of deprove is deproved.

Words near deprove in the dictionary

  1. deprotonisation
  2. deprotonization
  3. deprotonizations
  4. deprotonize
  5. deprotonized
  6. deprove
  7. deproved
  8. deproves
  9. deprovincialization
  10. deprovincialize
  11. deprovincialized

Source and license

Adapted from Wiktionary: deprove (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “deprove.” Word.ws, https://word.ws/deprove. Based on Wiktionary, CC BY-SA 4.0.