- 1a play, concert, etc. for which all the tickets have been sold Next week's final looks like being a sell-out. a sell-out tour See related entries: Producing a play, Live music
- 2a situation in which somebody is not loyal to a person or group who trusted them, by not doing something that they promised to do, or by doing something that they promised not to do The workers see the deal as a union sell-out to management.
sell-out
nounBrE BrE//ˈsel aʊt//; NAmE NAmE//ˈsel aʊt//
[usually singular] Producing a play, Live musicCheck pronunciation: sell-out