
21 December 2025

It’s what doctors do with symptoms, what detectives do with evidence, and what committees do with scandals. In German, it’s called die Untersuchung. This is your German word of the day, and it’s useful whether you’re dealing with a medical issue or a mystery.
The noun Untersuchung means examination, investigation, or inquiry, and it’s one of the 1000 most frequently used nouns in German. From hospitals to crime scenes, it’s a word that carries seriousness, procedure, and thoroughness.
It’s a feminine noun, so we say die Untersuchung (still unsure about gender? Our super-useful, no-fluff video lesson will help you lock it in: Watch the 5-minute video lesson on German noun genders).
Untersuchung is pronounced approximately [un-tuh-ZOO-khung], with short u in Un- and -ung.
Un has a short u as in “put,”
ter usually ends in a vowel-like sound, approximately “tuh,”
such sounds like “zookh” - a long u, and after u the ch is the throaty Bach sound,
ung has a short u as in “put” and ng as in ”sing,”
Stress is on the third syllable: un-ter-SUCH-ung
It’s a formal word - fitting for serious, structured actions.
Die Untersuchung hat noch keine Ergebnisse gebracht.The investigation hasn’t produced any results yet.
Ich habe morgen eine ärztliche Untersuchung.I have a medical examination tomorrow.
Untersuchung has two main uses:
Medical - a physical checkup, diagnostic procedure
Routineuntersuchung - routine check-up
Blutuntersuchung - blood test
Investigative or analytical - examining a situation, case, or object
Polizeiliche Untersuchung - police investigation; criminal investigations are also called Ermittlungen
wissenschaftliche Untersuchung - scientific analysis
You’ll hear common collocations like:
eine Untersuchung durchführen - to carry out an investigation
sich untersuchen lassen - to get checked out (by a doctor)
die Untersuchung leiten - to lead the investigation
If you live in a German-speaking country, you’ll encounter Untersuchung at the doctor’s office or in the news.
Examples:
“Ich muss zur Untersuchung.” - I have to go for an examination.“Die Untersuchung des Falls dauert an.” - The investigation of the case is ongoing.
It’s also common in written reports, journalism, and legal contexts.
Marie: Du warst lange beim Arzt. Alles okay?Jonas: Ich musste eine Blutuntersuchung machen.Marie: Und?Jonas: Ergebnisse kommen morgen.
Marie: You were at the doctor’s for a long time. Everything okay?Jonas: I had to do a blood test.Marie: And?Jonas: Results come tomorrow.
Nominative:Die Untersuchung war gründlich.The examination was thorough.
Accusative:Ich habe die Untersuchung gut überstanden.I got through the examination well.
Dative:Mit der Untersuchung begann die Therapie.The therapy began with the examination.
Genitive:Der Ablauf der Untersuchung war standardisiert.The process of the examination was standardized.
Feminine case pattern: die, die, der, der
Helpful compound words:
Vorsorgeuntersuchung - preventive check-up
Kriminaluntersuchung - criminal investigation
Untersuchungsausschuss - (parliamentary) committee of inquiry
Gerichtsuntersuchung - judicial inquiry
Nachuntersuchung - follow-up examination
Untersuchungsbericht - investigation report
Untersuchungshaft - pre-trial detention (literally: investigation custody)
Usage note: Vorsorgeuntersuchung means a preventive checkup. In Germany, statutory insurance covers specified preventive examinations; eligibility and intervals depend on the examination and the person.
📘 Duden entry: https://www.duden.de/rechtschreibung/Untersuchung🎥 Learn Untersuchung and the rest of the top 1000 German nouns in our free online video course: Watch the 1000 German Nouns video course
Ready for more German Words of the Day? Do you know Verbrecher? What about Verräter?
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