Synonyms for Sell out:

n.

launch, retail, peddle, move, carry, auction, stock, hawk, push. close, go out of business, fold, liquidate, wind up, shut down, crash, go under, fail, closure. go, go for, go/sell like hot cakes, come, come/go under the hammer, outsell, fetch. sink, go/run off the rails, transgress, stoop, perpetrate, commit, not scruple to do something, resort to, compromise yourself/your position. deal, trick, deception. betrayal (noun)
deal, trick, deception.
sell out (noun)
liquidize, sell up.

Other synonyms:

perpetrate, trick, transgress. outsell. fetch. retail, stoop. come, go for. sink. go. Other relevant words:
liquidate, retail, fail, move.