- 1(usually in compounds) a tool that is used to open things a can opener a bottle opener see eye-opener
- 2the first in a series of things such as sports games; the first action in an event, a game, etc. They won the season opener 4–2. Jones scored the opener. a good conversation opener Idioms
as a beginning or first part of a process For openers, the band played a track from their new album.
Check pronunciation: opener