der Hit
hit
A very successful and popular piece of music. It can also be used for other successful products, such as films or books.
Dieser Song wurde schnell zum größten Hit des Jahres.
This song quickly became the biggest hit of the year.

hit
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hit
A very successful and popular piece of music. It can also be used for other successful products, such as films or books.
Dieser Song wurde schnell zum größten Hit des Jahres.
This song quickly became the biggest hit of the year.

The word 'Hit' is borrowed directly from English and is pronounced similarly. In German, however, it is always a noun and masculine: 'der Hit' (the hit).
Sein neues Lied ist ein echter Hit.
His new song is a real hit.
When talking about success, a song or film becomes 'zum Hit' (a hit). An artist can 'einen Hit landen' (to land a hit / have a success) or 'einen Hit schreiben' (to write a hit).
Mit diesem Song hat die Band einen Welthit gelandet.
With this song, the band landed a worldwide hit.
In this meaning, 'Hit' is often intensified with adjectives such as 'absolut' (absolute), 'total' (total), or 'echt' (real) to express personal enthusiasm. This use is very colloquial.
Dein neues Fahrrad ist der absolute Hit!
Your new bike is an absolute hit!
success
'der Erfolg' and 'der Hit' can both describe something that is very well received. 'Erfolg' is more general and more neutral. You can use it for projects, films, products, or people. 'Hit' sounds more informal and often means a very popular song, sometimes also a film, a book, or a product. Colloquially, 'Hit' can also simply mean something especially great. Learners confuse the words because a 'Hit' is always a kind of success. But 'Erfolg' fits in more situations and sounds more factual.

Dieses Lied läuft überall im Radio und ist gerade ein echter Hit.
This song is playing everywhere on the radio and is a real hit right now.
Der neue Film der jungen Regisseurin wurde im Sommer ein großer Erfolg.
The young director's new film became a great success in the summer.