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nouna betrayal of one's principles principles, country, cause, etc.
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nounan event for which all tickets are soldtype of:
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nounsomeone who has sold outtype of:
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nounthe selling of an entire stock of somethingtype of:
Examples of sellout
- "get your tickets for the concert early, it is sure to be a sellout"
- "the latest Xbox game is so popular, shops are warning of a probable sellout before Christmas"