oversell /ˌoʊvɚˈsɛl/ verb oversells; oversold /-ˈsoʊld/ ; /ˌoʊvɚˈsoʊld/ ; overselling oversells; oversold /-ˈsoʊld/ ; /ˌoʊvɚˈsoʊld/ ; overselling Learner's definition of OVERSELL
[+ object]
1
: to accept payment or reservations for more rooms, seats, tickets, etc., than you have available（房间、座位、票等）超售，过多销售，空头销售 -
Hotels routinely oversell their rooms, expecting a small percentage of no-shows.预计有少部分预订但不入住的情况，宾馆一般都会超售客房。
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The concert was oversold. [=more tickets were sold than there were seats]那场音乐会的票超售了。
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an oversold [=overbooked] flight超售的航班
2
: to praise (something or someone) too much过分赞誉；吹嘘