American Dictionary

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Definition first class in American English

first class adjective

adjective
1

relating to the best and most expensive seats on an airplane or a train, or the best and most expensive accommodation on a ship

Example

a first class ticket

Example

The price includes first-class rail travel to Paris.

Synonyms and related words
2

relating to the class of mail that is used for sending letters

Synonyms and related words
3

of the best quality or the highest standard

Example

a first-class hotel

Example

first class service

Synonyms and related words
Definition first class in American English