to use your authority to reject sb's decision, order, etc. （以权力）否决，推翻◆The chairman overrode the committee's recommendation. 主席推翻了委员会的提议。SYNoverrule
to be more important than sth 比…更重要；凌驾於◆Considerations of safety override all other concerns. 安全问题高过一切。◆Customer satisfaction is our overriding priority. 提高顾客满意度是我们的第一要务。
to stop a process that happens automatically and control it yourself 超控（使自动控制暂时失效，改用人工控制）◆A special code is needed to override the time lock. 这个定时锁要用特殊的密码才能打开。