English

Definition of thirty number from the Oxford Advanced Learner's Dictionary

      

    thirty

     
    BrE BrE//ˈθɜːti//
     
    ; NAmE NAmE//ˈθɜːrti//
     
     
    jump to other results
  1. 1  number 30
  2. 2noun the thirties [plural] numbers, years or temperatures from 30 to 39
  3. Idioms between the ages of 30 and 39
See the Oxford Advanced American Dictionary entry: thirty