undiagnosed

U1N1D2I1A1G2N1O1S1E1D2
/ˌʌnˌdaɪəɡˈnəʊzd/

adjective

That had not been diagnosed.

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Meanings

undiagnosed1

adjectiveundiagnosed (not comparable)
  1. not comparableThat had not been diagnosed.

    After the accident, a sleep study identified that the GBRf driver had previously undiagnosed severe Obstructive Sleep Apnoea.

    2023 August 23, “Network News: RAIB cites driver fatigue as factor in 28mph collision”, in RAIL, number 990, page 12
    2 more examples

    But what if you have an odd or quirky symptom besides snoring? You and your loved ones may have no idea that you are in danger, and the condition could go undiagnosed for years.

    2023 November 27, Sandee LaMotte, “Five weird signs of sleep apnea”, in CNN

    The chronic condition affects around 8% to 13% of women and girls of reproductive age worldwide, according to the World Health Organization, but as many as 70% could be experiencing PCOS while undiagnosed.

    2024 January 31, Kristen Rogers, “Condition affecting at least 1 in 10 women linked with cognitive decline, study finds”, in CNN

undiagnosed2

verb
  1. participlepastsimple past and past participle of undiagnose

Synonyms & antonyms

adjectiveeluding diagnosis

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Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

undiagnosed · adjective

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Germanic*un-
  4. Proto-West Germanic*un-
  5. Old Englishun-
  6. Middle Englishun-
  7. Englishun-
  8. Englishdiagnosed
  9. Englishundiagnosed

From un- + diagnosed.

Full word history & related roots →

undiagnosed · verb

See the etymology of the corresponding lemma form.

Full word history & related roots →

Translations

Danish udiagnosticeret
  • udiagnosticeretnot diagnosed
Greek αδιάγνωστος
  • αδιάγνωστος (adiágnostos)not diagnosed
Norwegian Bokmål udiagnostisert
  • udiagnostisertnot diagnosed
Cite this entry
APA

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

MLA

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

Chicago

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

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