seniority /sinˈjorəti/ noun Learner's definition of SENIORITY
[noncount]
1
: the amount of time you have worked at a job or for a company compared to other employees工龄；资历 -
Promotions are based on merit and seniority.提拔看的是个人业绩和工龄。
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a teacher with less/more seniority资历较浅/较深的教师
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He has worked here longer than I have, so he has seniority over me.他在这儿的工作时间比我长，因此他比我更资深。
2
: the state of having a higher rank than another person级别高