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
Lisa Kailai Han, CNBC, 11 Dec. 2024
How to get in: Travelers with an eligible first-class ticket with a Oneworld airline can enter the Qantas First Class Lounge.
—Chris Dong, Los Angeles Times, 11 Dec. 2024
Leslie Josephs, CNBC, 14 Dec. 2024
JetBlue will introduce a brand-new first class cabin on domestic flights in 2026, offering a larger seat and more legroom at the front of the cabin.
—Alison Fox, Travel + Leisure, 12 Dec. 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.
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Adjective
JetBlue — The airline advanced 11% after revealing plans to add domestic first-class seats to planes that do not have the existing top-tier Mint class, beginning in 2026.
—Lisa Kailai Han, CNBC, 11 Dec. 2024
How to get in: Travelers with an eligible first-class ticket with a Oneworld airline can enter the Qantas First Class Lounge.
—Chris Dong, Los Angeles Times, 11 Dec. 2024
Noun
From giveaways to paying up About 15 years ago, travelers were paying for seats in just 12% of Delta’s domestic first class.
—Leslie Josephs, CNBC, 14 Dec. 2024
JetBlue will introduce a brand-new first class cabin on domestic flights in 2026, offering a larger seat and more legroom at the front of the cabin.
—Alison Fox, Travel + Leisure, 12 Dec. 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 24 Dec. 2024.
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