Definition 2024


first class



first class (not comparable)

  1. Belonging to the best or top group in a system of classification.
    That was a first class restaurant.
  2. Of, or relating to the most luxurious and expensive class of accommodation on a train, ship, hotel, etc.
    We travelled first class to New York.
  3. Of, or relating to a class of mail to be delivered before second class.
    First class stamps are now more expensive.
  4. (cricket) Of, or relating to a first class match.
  5. (programming) Of, or relating to a treatment like that for a first-class citizen.
    Java has no first-class functions, so function objects are usually expressed by an interface with a single method.



first class (plural first classes)

  1. (A status, section, etc which is of) premier rank.
    sat in first class; attained first class in the Boy Scouts
  2. (Ireland) the third year of primary school, following after the junior and senior infant levels.