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WordReference Random House Learner's Dictionary of American English © 2024ˈfirst ˈclass, n. [uncountable]- the best, finest, or highest class, grade, or rank.
- Stampsa class of mail consisting of materials, as letters, sealed against inspection.
first--class, adj., adv. WordReference Random House Unabridged Dictionary of American English © 2024first′ class′, - the best, finest, or highest class, grade, or rank.
- the most expensive and most luxurious class of accommodation on trains, ships, airplanes, etc.
- Stamps(in the U.S. Postal Service) the class of mail consisting of letters, postal cards, or the like, together with all mailable matter sealed against inspection.
- [Brit. Univ.]the group receiving the highest distinction in an honors course.
first-class (fûrst′klas′, -kläs′),USA pronunciation adj. - of the highest or best class or quality:a first-class movie.
- best-equipped and most expensive:a first-class railroad car.
- Stampsgiven or entitled to preferred treatment, handling, etc.:first-class mail.
adv. - by first-class conveyance:to travel first-class.
Collins Concise English Dictionary © HarperCollins Publishers:: first class n - the class or grade of the best or highest value, quality, etc
adj (first-class when prenominal)- of the best or highest class or grade: a first-class citizen
- excellent; first-rate
- of or denoting the most comfortable and expensive class of accommodation in a hotel, aircraft, train, etc
- (in Britain) of or relating to mail that is processed most quickly
- (in the US and Canada) of or relating to mail that consists mainly of written letters, cards, etc
- See first
adv first-class - by first-class mail, means of transportation, etc
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