Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun second-class

3 senses of second class

Sense 1
second class -- (not the highest rank in a classification)
       => rank -- (relative status; "his salary was determined by his rank and seniority")

Sense 2
second class -- (not the highest quality in a classification)
       => inferiority, low quality -- (an inferior quality)

Sense 3
cabin class, second class, economy class -- (a class of accommodations on a ship or train or plane that are less expensive than first class accommodations)
       => accommodation -- (living quarters provided for public convenience; "overnight accommodations are available")

Antonyms of adj second-class

1 sense of second-class

Sense 1
second-class -- (of inferior status or quality; "a second-class citizen"; "second-class accommodations")

INDIRECT (VIA inferior) -> superior -- (of high or superior quality or performance; "superior wisdom derived from experience"; "superior math students")

Similarity of adj second-class

1 sense of second-class

Sense 1
second-class -- (of inferior status or quality; "a second-class citizen"; "second-class accommodations")
       => inferior (vs. superior) -- (of low or inferior quality)

Synonyms of adv second-class

1 sense of second class

Sense 1
second class -- (by second class conveyance; "we traveled second class")