2senior noun
plural seniors [count] 1 : a person who is older than another person
▪ She is five years my senior. = She is my senior by five years. [=she is five years older than I am] — compare junior 2 : a person who is of a higher rank than another person
▪ As his senior, she commanded quite a bit of respect. ▪ She was his senior in rank. 3 US : a student in the final year of high school or college
▪ high school juniors and seniors — often used before another noun ▪ the senior class/yearbook/prom ▪ She skipped her senior year and went straight to college. ▪ the senior captain of a team — compare freshman, junior, sophomore 4 chiefly US : senior citizen
▪ She is five years my senior. = She is my senior by five years. [=she is five years older than I am] — compare junior
▪ As his senior, she commanded quite a bit of respect. ▪ She was his senior in rank.
▪ high school juniors and seniors — often used before another noun ▪ the senior class/yearbook/prom ▪ She skipped her senior year and went straight to college. ▪ the senior captain of a team — compare freshman, junior, sophomore
