first class

noun

Definition of first class

  1. :  the first or highest group in a classification: such asa :  the highest of usually three classes of travel accommodationsb :  a class of mail that comprises letters, postcards, or matter sealed against inspection

First Known Use of first class

1616


FIRST CLASS Defined for English Language Learners

first class

noun

Definition of first class for English Language Learners

  • : the best of usually three kinds of service you can have when you travel

  • : a class of mail in the U.S. that includes letters and postcards

  • : a class of mail in the U.K. that includes letters and packages which are delivered sooner than ordinary second-class mail but cost more to send



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