first class

first class

n.

1. The first, highest, or best group in a system of classification: a restaurant of the first class.

2. The most luxurious and most expensive class of accommodations on a train, passenger ship, airplane, or other conveyance.

3. A class of mail including letters, post cards, and sealed packages.

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first class

n

the class or grade of the best or highest value, quality, etc.

adj (first-class when prenominal)

1. of the best or highest class or grade a first-class citizen

2. excellent; first-rate

3. of or denoting the most comfortable and expensive class of accommodation in a hotel, aircraft, train, etc.

4. (Non-sporting Hobbies / Philately)

a.  (in Britain) of or relating to mail that is processed most quickly

b.  (in the US and Canada) of or relating to mail that consists mainly of written letters, cards, etc.

5. (Social Science / Education) Education See first [10]

adv first-class

by first-class mail, means of transportation, etc.

Thesaurus

Noun	1.	first class - the highest rank in a classification high quality, superiority - the quality of being superior
	2.	first class - mail that includes letters and postcards and packages sealed against inspection 1st class, 1st-class mail, first-class mail mail - the bags of letters and packages that are transported by the postal service correspondence - communication by the exchange of letters
	3.	first class - the most expensive accommodations on a ship or train or plane accommodation - living quarters provided for public convenience; "overnight accommodations are available"
Adv.	1.	first class - by first class conveyance; with first class accommodations; "we always travel first class"