0 to sell more than is available:
The flight had been oversold.
1 to sell more of something than is available:
Airlines oversell on the assumption that some passengers won't turn up.
2 to make an idea, product, opportunity, etc. seem better than it is:
3 to cause the prices of financial markets, shares, etc. to fall too far in relation to their real value:
There is a tendency to oversell the overlap between cell groups 1 and cell assemblies, often based on dubious interpretation of volume conduction.
Oversell of nonshared environmental effects was misleading for another reason - namely, that findings are rather different for some forms of psychopathology, particularly antisocial behavior.
The authors oversell the point.
Anyone with experience of selling knows that, when a product or service is oversold, the consumer backlash can be dramatic.
Many of the supporters of devolution tend to oversell it.
Training is oversold as a way of helping unemployed people back to work.
I expect that the politicians of the time were tempted to oversell their policies somewhat.
My case is that the goods were oversold.