1
: of or relating to first class
2
: of the highest quality
a first-class meal
first-class
adverb
: 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
Tim Stelloh, NBC News, 4 Nov. 2024
The company has begun notifying those whose personal information may have been compromised via first-class mail.
—Lars Daniel, Forbes, 2 Nov. 2024
Bymichele Robson, Fortune Europe, 12 Oct. 2024
Coach fares start at $113 one-way with first class rooms priced upwards of $1,500.
—Hannah Towey, Condé Nast Traveler, 1 Oct. 2024
See all Example Sentences for first-class 
Examples are automatically compiled from online sources to
show current usage.
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Adjective
Enraged, Garcia stole Lambert’s credit card and upgraded his airline ticket to first-class, Hightower said.
—Tim Stelloh, NBC News, 4 Nov. 2024
The company has begun notifying those whose personal information may have been compromised via first-class mail.
—Lars Daniel, Forbes, 2 Nov. 2024
Noun
The new seats are in addition to its current business class seat and will be cheaper than first class but at a premium to its standard business seats.
—Bymichele Robson, Fortune Europe, 12 Oct. 2024
Coach fares start at $113 one-way with first class rooms priced upwards of $1,500.
—Hannah Towey, Condé Nast Traveler, 1 Oct. 2024
See all Example Sentences for first-class
Dictionary Entries Near first-class
Cite this Entry
“First-class.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/first-class. Accessed 22 Nov. 2024.
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