What is the meaning of first class?

noun

  • The highest rank in a classification.
  • Mail that includes letters and postcards and packages sealed against inspection.
  • The most expensive accommodations on a ship or train or plane.

adverb

  • By first class conveyance; with first class accommodations.
    • usage: "we always travel first class"
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APAWordNet. (2010). first class. Retrieved September 20, 2026, from http://smartdefine.org/first_class/definitions/1204042
ChicagoWordNet. 2010. "first class" http://smartdefine.org/first_class/definitions/1204042 (accessed September 20, 2026).
HarvardWordNet 2010, first class, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/first_class/definitions/1204042>.
MLAWordNet. "first class" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/first_class/definitions/1204042>