Preview and Walk-up

Preview noun - An advertisement consisting of short scenes from a motion picture that will appear in the near future.

Walk-up and preview are semantically related In some cases you can use "Walk-up" instead a noun "Preview".

Nearby Words: previewed, previewing

Walk-up noun - An apartment building without an elevator.

Preview and walk-up are semantically related in short preliminary event topic. Sometimes you can use "Preview" instead a noun phrase "Walk-up".