First class and Unnoteworthy

Opposite meaning terms

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

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Definitions of First class not found.

First class is an antonym for unnoteworthy.

Cite this Source

Unnoteworthy and First class. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/first_class/unnoteworthy

First class & Unnoteworthy. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/first_class/unnoteworthy>.

Unnoteworthy or First class. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/first_class/unnoteworthy.

Google Ngram Viewer shows how "first class" and "unnoteworthy" have occurred on timeline