first-class

1 of 2

adjective

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
Georgia saw a 90% on-time delivery rate for first-class mail for most of 2023. Dan Raby, CBS News, 5 June 2026 Travelers on The Duluth Zephyr are treated to a taste of what was, along with slightly more modern perks—including the option to purchase a ticket in the first-class SkyView Dome Car. Evie Carrick, Travel + Leisure, 2 June 2026
Noun
Sleek Noise-cancelling Headphones From the roar of the engine to conversations from nearby neighbors, plane travel can often be noisy, even if you’re seated in first class. Jasmine Gomez, Travel + Leisure, 6 June 2026 This is The Atlantic’s first class of fellows since 2020; the six joining next month were selected from a pool of more than 1,300 applicants. The Atlantic, 3 June 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

See all Nearby Words

Cite this Entry

“First-class.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/first-class. Accessed 10 Jun. 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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