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Definition of first class adverb from the Oxford Advanced Learner's Dictionary

first class

adverb
 
/ˌfɜːst ˈklɑːs/
 
/ˌfɜːrst ˈklæs/
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  1. using the best and most expensive seats or accommodation in a train, plane or ship
    • to travel first class
    Topics Transport by bus and trainb1, Transport by airb1
  2. (in the UK) by the quickest form of mail
    • I sent the package first class on Monday.
  3. (in the US) by the class of mail that is used for letters
See first class in the Oxford Advanced American Dictionary
Check pronunciation: first class

Nearby words

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adverb
 
 
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