1. third class - Noun
2. third class - Adjective
(US) A reduced-rate mail service for printed matter.
(Britain, historical) The cheapest accommodation on a train or ship.
third-class (not comparable)
Most inferior in quality or standing.
Travelling third-class isn't just slow, it's painful.
third-class
You grow up Latin in this country and you're a third class citizen from the word go, and so you have to deal with everything around you from that point of view and trying to feel entitled. John Leguizamo
Who is Imelda?' I come from a third world country, third class province. And I was orphaned-and look, Imelda made it. If Imelda made it everyone can make it. At this age and stage I feel so good I'm still ready to fly. Imelda Marcos
However, during the third class he'd finally had enough. "Anne Frank, as punishment for talking in class, write an essay entitled, Quack, Quack, Quack, Said Mistress Chatterback." Anne Frank
Only on the third class tourist class passengers' deck was it a sultry overcast morning, but then if you do things on the cheap you must expect these things. Spike Milligan
The great secret is not having bad manners or good manners or having any other particular sort of manners, but having the same manner for all human souls in short, behaving as if you were in Heaven, where there are no third class carriages and one soul is as good as another. George Bernard Shaw
Additionally, there is a third class, known as mixed verbs, whose conjugation combines features of both the strong and weak patterns. Source: Internet