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Related to sell out: sell someone out
sell someone outand sell someone down the river
to betray someone; to reveal damaging information about someone. Bill told everything he knew about Bob, and that sold Bob down the river. You'll be sorry if you sell me out. Lefty sold out his friends, and we'll all soon be arrested.
sell something out
to sell all of something. Have they sold their supply out yet? The stores sold out their stocks of that game long before Christmas.
sell out (to someone)
1. to sell everything, such as all one's property or one's company, to someone. The farmer finally gave up and sold out to a large corporation. I refuse to sell out no matter what they offer me.
2. to betray someone or something to someone. I think that you have sold out to the enemy!
1. Dispose of entirely by selling. For example, The rancher finally sold out to the oil company, or The tickets to the concert were sold out a month ago. [Late 1700s]
2. Betray one's cause or colleagues, as in He sold out to the other side. [Slang; late 1800s]
1. To be sold completely: The tickets will sell out by tomorrow.
2. To sell one's entire supply of a particular item: I'm afraid we sold out all our ice cream, kids! The hardware store sold out of plywood as the hurricane moved closer to shore.
3. To cause some supply of merchandise to be sold completely. Used in the passive: We can't get into the theater because the tickets are sold out.
4. To cause some vendor to sell its entire supply of something. Used in the passive: I wanted to buy more spoons, but the store was sold out.
5. To sell one's entire stake in a business or venture: The owners of the liquor store plan to sell out as soon as they can find a buyer.
6. To betray one's cause or colleagues, especially for money: The disloyal baseball player sold out to another team.
7. To betray someone or something, especially for money: The manager sold out his staff in order to keep his own job. Our agent sold us out when she moved to a better company and dropped us as a client.