sell out phrasal verb ( see also ↑ sell )
1 . if a shop sells out of something, it has no more of that particular thing left to sell
be/have sold out
Sorry, we’re sold out.
sell out of
We’ve completely sold out of those shirts in your size, sir.
2 . if products, tickets for an event etc sell out, they are all sold and there are none left:
Wow! Those cakes sold out fast.
be/have sold out
Tonight’s performance is completely sold out.
3 . to change your beliefs or principles, especially in order to get more money or some other advantage – used to show disapproval:
ex-hippies who’ve sold out and become respectable businessmen
4 . to sell your business or your share in a business:
Wyman says he’ll sell out if business doesn’t pick up.
sell out to
The T-mail Co. has sold out to San José-based DMX Inc for an undisclosed sum.