senior

/ˈsiːniər/ noun

Definition

be 20/30, etc years sb's senior › to be 20/30, etc years older than someone: She married a man 20 years her senior.

› [C] US a student who is in the last year of high school or college

(Definition of senior noun from the Cambridge Learner's Dictionary © Cambridge University Press)

to refuse to accept something or someone because you feel that they are not worth having

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