sell-out ( sell-outs plural ) , sellout
1 n-count If a play, sports event, or other entertainment is a sell-out, all the tickets for it are sold.
usu sing, oft N n
Their concert there was a sell-out.
2 n-count If you describe someone's behaviour as a sell-out, you disapprove of the fact that they have done something which used to be against their principles, or given in to an opposing group.
usu sing, oft N to n (disapproval)
For some, his decision to become a Socialist candidate at Sunday's election was simply a sell-out.
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