Definition of senior adjective from the Oxford Advanced American Dictionary

      

    senior

     adjective
    adjective
    NAmE//ˈsinyər//
     
     
    jump to other results
    of high rank
  1. 1 senior (to somebody) high in rank or status; higher in rank or status than others a senior officer/manager/lecturer, etc. a senior partner in a law firm a senior post/position I have ten years' experience at senior management level. opposite junior
  2. school/college
  3. 2 [only before noun] connected with the last year in high school or college the senior prom
  4. father
  5. 3 Senior (abbreviation Sr.) used after the name of a man who has the same name as his son, to avoid confusion compare junior
  6. in sports
  7. 4[only before noun] for adults or people at a more advanced level to take part in senior competitions He won the senior men's 400 meters.
See the Oxford Advanced Learner's Dictionary entry: senior