unbenutzt
unused
Never used before; in new condition.
Er verkaufte das Fahrrad als unbenutzt, da er nie damit gefahren war.
He sold the bicycle as unused because he had never ridden it.

unused
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unused
Never used before; in new condition.
Er verkaufte das Fahrrad als unbenutzt, da er nie damit gefahren war.
He sold the bicycle as unused because he had never ridden it.

The word is made up of the prefix 'un-' (not) and 'benutzt' (used), the past participle of 'benutzen' (to use). So it literally means 'not used'.
Die Sportausrüstung in der Ecke ist noch komplett unbenutzt.
The sports equipment in the corner is still completely unused.
In this meaning, the word describes a condition that corresponds to being new. It is often used in the context of buying and selling, frequently together with adverbs like 'völlig' (completely), 'komplett' (completely), or 'praktisch' (practically).
Ich verkaufe mein altes Tablet, es ist fast unbenutzt und in der Originalverpackung.
I'm selling my old tablet; it is almost unused and in the original packaging.
This meaning describes a temporary state. It is used for rooms, seats, or devices that are currently free and available.
Können wir uns in diesen Besprechungsraum setzen? Er scheint unbenutzt zu sein.
Can we sit in this meeting room? It seems to be unused.
new
'neu' and 'unbenutzt' can both mean that something is still in very good condition. 'neu' usually says that something was bought, made, or acquired recently. 'unbenutzt' says more specifically that something has never been used. So an item may no longer be completely new, but still be unused if it has been lying in a cupboard for a long time. Learners can easily confuse the words because new things are often also unused. The important point is: 'neu' emphasizes the time or condition, while 'unbenutzt' emphasizes the lack of use. In addition, 'unbenutzt' can also mean that something is currently free or not in use.

In der Küche steht noch eine unbenutzte Pfanne im Schrank.
There is still an unused pan in the cupboard in the kitchen.
Herr Demir hat für den Kurs einen neuen Laptop bekommen.
Mr. Demir got a new laptop for the course.