Definitions:

1. a screening for a select audience in advance of release for the general public noun
   • We got tickets to the preview from a friend in the industry.
2. an advertisement consisting of short scenes from a motion picture that will appear in the near future noun
   • There are so many previews before the feature starts.
3. to watch a movie or play before it is released to the general public verb
   • We previewed the movie a month before it was released.

Synonyms:

• trailer