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1. Someone who has sold out
    
2. An event for which all tickets are sold
   "get your tickets for the concert early, it is sure to be a sellout"
    
3. The selling of an entire stock of something
   "the latest Xbox game is so popular, shops are warning of a probable sellout before Christmas"
    
4. A betrayal of one's principles principles, country, cause, etc.

1. Sell or get rid of all one's merchandise
   - sell up, liquidize, liquidise [Brit]
    
2. Abandon one's principles for expedience or financial gain

Derived forms: selling out, sells out, sellouts, sold out

Type of: abandon, bad person, betrayal, cast aside, cast away, cast out, chuck out, discard, dispose, fling, give up, marketing, merchandising, perfidy, put away, selling, social event, throw away, throw out, toss, toss away, toss out, treachery, treason

Encyclopedia: Sellout