Simple Definition of seniority
: the amount of time you have worked at a job or for a company compared to other employees
: the state of having a higher rank than another person
Examples of seniority in a sentence
Promotions are based on merit and seniority.
a teacher with less seniority
He has worked here longer than I have, so he has seniority over me.
First Known Use of seniority
Legal Definition of seniority
1 : the quality or state of being senior
2 : the senior status attained by length of continuous service (as in a company); also : the length of such continuous service
Seen and Heard
What made you want to look up seniority? Please tell us where you read or heard it (including the quote, if possible).