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Definition of: first-class

(fûrstklas, -kläs) adjective
1. Belonging to the first class; of the highest rank or the best quality.
2. Consisting of sealed letters or other sealed matter transmitted by the post: first-class mail.
3. Pertaining to, for, or using, the most luxurious accommodations on a steamer, train, plane, etc.

Word frequency of use on city-data.com forum:

Statistical data

"first" has the frequency of use of 0.1195%
"class" has the frequency of use of 0.0347%

Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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