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• second class
  second class

  noun

  the class of travel accommodations, as on a train, that are less costly and luxurious than first class but are more costly and luxurious than third class.
• second-class
  second-class

  adjective

  of a secondary class or quality.

second class

¹ American  

noun

• second classes
  plural

1. the class of travel accommodations, as on a train, that are less costly and luxurious than first class but are more costly and luxurious than third class.

2. (in the U.S. Postal Service) the class of mail consisting of newspapers and periodicals not sealed against postal inspection.

3. the second of three honors degrees conferred by a British university.

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second-class ² American  

[sek-uhnd-klas, -klahs] / ˈsɛk əndˈklæs, -ˈklɑs /

adjective

1. of a secondary class or quality.

2. second-rate; inferior.

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adverb

1. by second-class mail or passenger accommodations.

   to travel second-class.

second class British  

noun

1. the class or grade next in value, quality, etc, to the first

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adjective

1. of the class or grade next to the best in quality, etc

2. shoddy or inferior

3. of or denoting the class of accommodation in a hotel or on a train, etc, lower in quality and price than first class

4. 1. (in Britain) of or relating to mail that is processed more slowly than first-class mail

   2. (in the US and Canada) of or relating to mail that consists mainly of newspapers, etc

5. education See second 1

adverb

1. by second-class mail, transport, etc

second class Idioms  

1. Inferior; see second best .

2. Travel accommodations ranking below the highest or first class, as in Traveling second class on European trains is not only cheaper but gives you more contact with local people . [c. 1840]

3. In the United States and Canada, a category of mail consisting of periodicals and newspapers. [c. 1870]

4. second-class citizen . An individual regarded or treated as inferior to others in status or rights, an underprivileged person. For example, In many countries women still are considered second-class citizens . This term uses second class in the sense of “inferior.” [c. 1940]

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Other Word Forms

Noun Inflected Forms

• second classes
  plural

Etymology

Origin of second class¹

First recorded in 1830–40

Origin of second-class²

First recorded in 1830–40

Example Sentences

See Examples For:

second class second-class

Your first-class ticket could soon be second class as U.S. airlines add to their dizzying roster of seating options.

From MarketWatch ● Aug. 13, 2026

Health Secretary Wes Streeting says some women have been made to feel like "second class citizens" with their pain treated "as an inconvenience and their symptoms as an overreaction".

From BBC ● Apr. 14, 2026

“He thinks it’s really important that the authors of the 14th Amendment came in and granted citizenship on this principle that there’s no second class of people born in this country.”

From The Wall Street Journal ● Mar. 29, 2026

Ten years ago, a first class stamp cost 64p while a second class stamp was 55p.

From BBC ● Mar. 6, 2026

Moss caught Kaisha in the hallways between his first and second class.

From "Anger Is a Gift" by Mark Oshiro

We're almost 10 years into the use of the video assistant referee, and still the match-going fan is treated like a second-class citizen.

From BBC ● Sep. 14, 2026

In contrast, gregarious and charismatic Roland Mackenzie finishes at Oxford with a less impressive second-class degree in physics.

From The Wall Street Journal ● Jul. 24, 2026

Under segregation, black Americans generally shared a common experience of being second-class citizens.

From The Wall Street Journal ● May 5, 2026

The postal service is also pushing through plans to scrap Saturday delivery of second-class post.

From BBC ● Apr. 21, 2026

Papa bought tickets on a second-class train, Ferrocarriles Nacionales de México.

From "The Circuit: Stories from the Life of a Migrant Child" by Francisco Jiménez