Synonyms of first-classnext
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 class of travel accommodations
b
: a class of mail that comprises letters, postcards, or matter sealed against inspection

Examples of first-class in a Sentence

Adjective a first-class production of a classic American musical
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
In other words, treat them as first-class identities governed throughout their life cycle. Itamar Apelblat, Forbes.com, 21 July 2026 When a single first-class seat opens up, for instance, a solo flyer may leapfrog a couple who need to wait for two seats to clear. Chris Dong, Travel + Leisure, 20 July 2026
Noun
Vehicle owners will be notified of the recall by first class mail and will be instructed to take their car to an authorized BMW dealer to have the service completed. Michelle Del Rey, USA Today, 14 July 2026 Oshea Orchid, a local lawyer, filed the first class-action lawsuit in 2023 against the operators of the county’s second-largest landfill, alleging the fumes were sickening her neighbors, causing headaches and heart palpitations. Rebecca Ellis, Los Angeles Times, 12 July 2026 See All Example Sentences for first-class

Word History

First Known Use

Adjective

1819, in the meaning defined at sense 1

Noun

1616, in the meaning defined above

Time Traveler
The first known use of first-class was in 1616

Browse Nearby Words

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Cite this Entry

“First-class.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/first-class. Accessed 28 Jul. 2026.

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

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