undiagnose

U1N1D2I1A1G2N1O1S1E1

verb

To withdraw a former diagnosis of.

OriginEnglish diagnose ← Latin diagnōsis ← Ancient Greek δῐᾰ́γνωσῐς (dĭắgnōsĭs) →
Scrabble 12
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Meanings

verbundiagnose (third-person singular simple present undiagnoses, present participle undiagnosing, simple past and past participle undiagnosed)

present singular third person undiagnoses · participle present undiagnosing · participle past undiagnosed · past undiagnosed

  1. transitivemedicineTo withdraw a former diagnosis of.
    1 more example

    Karp's specialty is lupus, which affects 1.5 million Americans, according to the Lupus Foundation of America. Lupus can be mild, as in Tota's case, or it can be severe, leading to kidney failure and death. But the blood tests used to diagnose lupus can confuse primary-care physicians, Karp says. "I probably undiagnose as many people as I diagnose."

    2018 January 19, Sophia Dembling, “Living with a medical mystery: Why are autoimmune disorders so puzzling?”, in The Dallas Morning News

Origin

  1. Proto-Indo-European*h₂ent-
  2. Proto-Indo-European*h₂énts
  3. Proto-Germanic*anda-
  4. Proto-West Germanic*anda-
  5. Old Englishand-
  6. Old Englishon-
  7. Middle Englishon-
  8. Englishun-
  9. Proto-Indo-European*dwóh₁
  10. Proto-Indo-European*trísinflu.
  11. Proto-Indo-European*dwís
  12. Ancient Greekδιά (diá)
  13. Ancient Greekδια- (dia-)
  14. Proto-Indo-European*ǵneh₃-
  15. Proto-Indo-European*ǵn̥h₃sḱéti
  16. Proto-Hellenic*gignṓskō
  17. Ancient Greekγῐγνώσκω (gĭgnṓskō)
  18. Ancient Greekδῐαγῐγνώσκω (dĭagĭgnṓskō)
  19. Ancient Greekδῐᾰ́γνωσῐς (dĭắgnōsĭs)
  20. Latindiagnōsis
  21. Englishdiagnosisbf.
  22. Englishdiagnose
  23. Englishundiagnose

From un- + diagnose.

Full word history & related roots →
Cite this entry
APA

undiagnose. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/undiagnose

MLA

“undiagnose.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/undiagnose. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “undiagnose,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/undiagnose.

Source: undiagnose on Wiktionary, CC BY-SA 4.0.