Box-office hit and Smash hit

Smash hit and box-office hit are semantically related. In some cases you can use "Smash hit" instead a noun phrase "Box-office hit".

Smash hit noun - An unusually successful hit with widespread popularity and huge sales (especially a movie or play or recording or novel).

Box-office hit and smash hit are semantically related. You can use "Box-office hit" instead a noun phrase "Smash hit".