First class and Not right

Opposite meaning terms

First class noun - Mail that includes letters and postcards and packages sealed against inspection.

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Not right is an antonym for first class in most excellent topic.

Definitions of First class not found.

First class is an antonym for not right.

Cite this Source

Not right and First class. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/first_class/not_right

First class & Not right. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/first_class/not_right>.

Not right or First class. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/first_class/not_right.

Google Ngram Viewer shows how "first class" and "not right" have occurred on timeline