A third-class degree is the lowest honours degree that can be obtained from a British university.
2. adjective [usually ADJECTIVE noun]
In the past, the third-class accommodation on a train or ship was the cheapest and least comfortable accommodation.
...third-class passengers.
Third-class is also an adverb.
...travelling third class.
third class in British English
noun
1.
the class or grade next in value, quality, etc, to the second
adjective(third-class when prenominal)
2.
of the class or grade next in value, quality, etc, to the second
3.
of or denoting the class of accommodation in a hotel, on a ship, etc, next in quality and price to the second: usually the cheapest
4.
(in the US and Canada) of or relating to a class of mail consisting largely of unsealed printed matter
5. British third (sense 8)
adverb
6.
by third-class mail, transport, etc
third-class in American English
(ˈθɜrdˈklæs)
adjective
1.
of the class, rank, excellence, etc. next below the second
2.
designating or of accommodations next below the second class
3. US
designating or of a lower-cost class of mail limited to merchandise weighing less than 16 oz or bulk mailing of identical circulars, bulletins, advertisements, etc.
adverb
4.
with accommodations next below the second class
to travel third-class
5. US
as or by third-class mail
Examples of 'third class' in a sentence
third class
Then came the second and third class passengers, whose remains were swathed in canvas.
Eaton, John P & Haas, Charles A Titanic - Destination disaster (1987)
At the same time, he stresses, the standard of comfort in second and third classes was higher than on any previous ship.
Times, Sunday Times (2012)
They rested, like other third-class travelers, in the back rooms above inn kitchens.
Gregory Maguire WICKED: THE LIFE AND TIMES OF THE WICKED WITCH OF THE WEST (1995)