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first class
Definition of first class
: 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
From the M-W Editors
First Known Use of first class
1616
FIRST CLASS Defined for English Language Learners
first class
Definition of first class for English Language Learners
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: the best of usually three kinds of service you can have when you travel
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: a class of mail in the U.S. that includes letters and postcards
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: 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
Learn More about first class
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Spanish Central: Translation of first class Nglish: Translation of first class for Spanish speakers Britannica English: Translation of first class for Arabic speakers
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