noun
illness, disease
A2
Krankheit (die) means 'illness' or 'disease'. Feminine noun; plural Krankheiten (-en). Genitive singular same: der Krankheit. Common collocations: an einer Krankheit leiden (to suffer from a disease), krank sein. Declension regular. Used for both acute ailments and chronic diseases in medical and everyday contexts.
Examples
Er hat eine seltene Krankheit.
He has a rare disease.
Die Krankheit hat ihn geschwächt.
The illness weakened him.
Die Reise wurde abgesagt, weil mehrere Teilnehmer an einer Krankheit litten.
The trip was canceled because several participants were suffering from an illness.
Details
Mnemonics
Picture a thermometer and the label 'Krankheit' to signify illness
die — think 'die Krankheit' (feminine): imagine a sick person wrapped in a blanket
Notes
Feminine noun; often used in medical contexts. Plural: Krankheiten.