noun
toothbrush
B1
Zahnbürste means toothbrush. It is a feminine noun (die Zahnbürste) with plural Zahnbürsten. Use common declensions: die Zahnbürste (Nominative), die Zahnbürsten (Plural). No irregular plural; formed regularly with -n. No special prepositions or reflexivity — a simple concrete object word commonly used daily in hygiene.
Examples
Ich brauche eine neue Zahnbürste.
I need a new toothbrush.
Ich brauche eine neue Zahnbürste.
I need a new toothbrush.
Die Mutter kaufte eine neue Zahnbürste, weil die alte beschädigt war, damit die Kinder gesünder blieben.
The mother bought a new toothbrush because the old one was damaged so that the children would stay healthier.
Details
Mnemonics
a small brush with bristles shaped like a tooth to remind you it's for teeth
Zahn = tooth, Bürste = brush — 'tooth-brush' is almost literal in English
die — imagine a woman holding the toothbrush to remember the feminine article
Notes
Often occurs in compounds like 'elektrische Zahnbürste' (electric toothbrush).