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

first-class

adjective
 
/ˌfɜːst ˈklɑːs/
 
/ˌfɜːrst ˈklæs/
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  1. [usually before noun] in the best group; of the highest standard synonym excellent
    • a first-class novel
    • a first-class writer
    • The car was in first-class condition.
    • I know a place where the food is first-class.
  2. [only before noun] connected with the best and most expensive way of travelling on a train, plane or ship
    • first-class rail travel
    • a first-class cabin/seat/ticket
    Topics Transport by airb1
  3. [only before noun] (in the UK) connected with letters, packages, etc. that are delivered most quickly, or that cost more to send
    • first-class mail/post/postage/stamps
  4. [only before noun] used to describe a university degree of the highest class from a British university
    • She was awarded a first-class degree in English.
See first-class in the Oxford Advanced American Dictionary
halfway
adverb
 
 
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