first-class adverb first class 2 of 2 noun : the first or highest group in a classification: such as a : the highest of usually three classes of travel accommodations b : a class of mail that comprises letters, postcards, or matter sealed against inspection Synonyms Adjective A-OK A1 awesome bang-up banner beautiful blue-chip blue-ribbon boffo

first-class adjective as in excellent of the very best kind a first-class production of a classic American musical Synonyms & Similar Words Relevance excellent superb terrific wonderful great beautiful fantastic lovely fabulous awesome stellar marvelous fine prime quality hot classic marvellous famous superior superlative splendid heavenly neat

British Dictionary definitions for first class (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, …

first class 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 commercial airplane, train, passenger ship, or...

first class adjective (MOST EXPENSIVE) relating to the most expensive and highest quality service on a plane or train, or in a hotel: a first-class ticket first-class accommodation / travel relating to the service for sending post that people usually use: first-class mail / postage How much is a first-class stamp? More examples

13/09/2022 · First class is a category of seating on a plane that has more space and is more comfortable than other seats, often by a factor of ten. For example, while the main (economy) cabin might have rows with nine or ten seats (in a 3-4-3 configuration), first class might have rows with just four seats (in a 1-2-1 configuration).

first-class in American English (ˈfɜːrstˈklæs, -ˈklɑːs) adjective 1. of the highest or best class or quality a first-class movie 2. best-equipped and most expensive a first-class railroad car 3. given or entitled to preferred treatment, handling, etc first-class mail adverb 4. by first-class conveyance to travel first-class

first first-class first-rate foremost greatest highest incomparable inimitable leading matchless nonpareil number 1 optimum out-of-sight outstanding paramount peerless perfect preeminent premium prime primo principal sans pareil second to none super superlative supreme terrific tops transcendent unequaled unparalleled unrivaled unsurpassed

25/11/2020 · First class objects in a language are handled uniformly throughout. They may be stored in data structures, passed as arguments, or used in control structures. A programming language is said to support first-class functions if it treats functions as first-class objects.

01/03/2009 · 'first class type' is used to mean 'the type of a first class value' far more than as a reified type as it is in Coq. Arguing that this is not 'correct' is like saying it is incorrect to use 'outstanding' to mean 'exceedingly good' rather than 'not yet processed'