first-class

1 of 2

adjective

ˈfərs(t)-ˈklas 

1

: of or relating to first class

2

: of the highest quality

a first-class meal

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
• bonny [chiefly British]
• bonnie
• boss [slang]
• brag
• brave
• bully
• bumper
• capital
• choice
• classic
• cool [slang]
• corking
• crackerjack
• cracking
• dandy
• divine
• dope [slang]
• down [slang]
• dynamite
• excellent
• fab
• fabulous
• famous
• fantabulous [slang]
• fantastic
• fine
• first-rate
• first-string
• five-star
• four-star
• frontline
• gangbusters
• gangbuster
• gilt-edged
• gilt-edge
• gone [slang]
• grand
• great
• groovy
• heavenly
• high-class
• hot
• hype [slang]
• immense
• jim-dandy
• keen
• lovely
• marvelous
• marvellous
• mean
• neat
• nifty
• noble
• number one
• No. 1
• numero uno
• out-of-sight [slang]
• par excellence
• peachy
• peachy keen
• phat [slang]
• prime
• primo [slang]
• prize
• prizewinning
• quality
• radical [slang]
• righteous [slang]
• sensational
• slick
• splendid
• stellar
• sterling
• superb
• superior
• superlative
• supernal
• swell
• terrific
• tip-top
• top
• top-notch
• top-of-the-line
• top-shelf
• topflight
• topping [chiefly British]
• unsurpassed
• wizard [chiefly British]
• wonderful

Examples of first-class in a Sentence

Adjective

a first-class production of a classic American musical

Recent Examples on the Web

Adjective

Customers at the airline’s first-class lounge, The Pier, First at the Hong Kong International Airport will now be able to enjoy a truly spectacular dining experience. —Sandra MacGregor, Forbes, 11 Mar. 2025

At the time, Thompson allegedly convinced the 14-year-old girl to use the facilities in the first-class section of the plane and escorted her there. —Charna Flam, People.com, 8 Mar. 2025

Noun

In the past, players flew to away games in cramped coach seats while coaches and staff flew first class. —Adam Tamburin, Axios, 27 Feb. 2025

That data shows, among other things, first class mail that was delivered within two days 99% of the time as recently as 2013 now gets there that quickly less than 94% of the time. —Chris Isidore, CNN, 26 Feb. 2025

Word History

First Known Use

Adjective

1819, in the meaning defined at sense 1

Noun

1616, in the meaning defined above

Rhymes for first-class

• alas
• amass
• bromegrass
• bypass
• chagas
• crabgrass
• crevasse
• eelgrass
• eyeglass
• groundmass
• harass
• impasse

Kids Definition

first-class

1 of 2 adjective

1

: of or relating to first class

2

: of the highest quality : excellent

a first-class meal

first class

2 of 2 noun

: the best or highest group in a classification