1. an event for which all tickets have been sold
2. a person who abandons their principles or values for personal gain, especially money or popularity
Usage: informal; often derogatory
3. the act of selling all of something, especially stock or inventory
Usage: business

Examples

• The concert was a complete sellout within hours of tickets going on sale.
• The stadium announced another sellout for the championship game.
• Many fans called him a sellout after he signed with the rival team.
• She was accused of being a sellout for endorsing products she didn’t believe in.
• The store had a sellout of winter coats before the big storm.
• Critics labeled the band sellouts when they changed their sound for mainstream appeal.
• The sellout of the company’s assets took place over several months.