Definition of third-class
:of or relating to a class, rank, or grade next below the second
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third-class
adjective
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First Known Use of third-class
1839
third class
noun
Definition of third class
1
:the third and usually next below second class in a classification
2
:the least expensive class of accommodations (as on a passenger ship)
3
:a former class of U.S. mail comprising circulars, pamphlets, catalogs, and newsletters
Examples of third class in a Sentence
She got a third class in English.
First Known Use of third class
1748
THIRD-CLASS Defined for English Language Learners
third-class
adjective
Definition of third-class for English Language Learners
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: of or relating to third class
third class
noun
Definition of third class for English Language Learners
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: the level of service on a train, ship, etc., that is the cheapest
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: a class of mail in the U.S. that includes advertisements
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: an undergraduate degree of the lowest level given by a British university
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