dropout：辍学者

比喻用法。

dropout：中途辍学的学生；逃避社会的人；(电子设备)暂时信号缺失

词根词缀：drop落下 +out出

• obsolescence
• obsolescent
• obsolete
• obstacle
• obstetrician
• obstetrics
• obstinate
• obstreperous
• obstruct
• obstruction
• obtain
• obtrude
• obtrusive
• obtund
• obtuse
• obtuse angle
• obverse
• obviate
• obvious
• obviously
• oc-
• ocarina
• occasion
• occasional
• occasionality