First class and Insignificant

Opposite meaning terms

First class

First class noun - Mail that includes letters and postcards and packages sealed against inspection.
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Synonyms for First class
Antonyms for First class
Insignificant is an antonym for first class in topics: pleasant, fine, superior, impressive, excellent.

Insignificant

Insignificant adjective - Lacking importance.
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Synonyms for Insignificant
Antonyms for Insignificant
First class is an antonym for insignificant.
Nearby Words: insignificance, insignificancy, insignificantly
Similar words of first class

Similar words of insignificant
Cite this Source
Insignificant and First class. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/first_class/insignificant
First class & Insignificant. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/first_class/insignificant>.
Insignificant or First class. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/first_class/insignificant.

Antonyms for first class


Antonyms for insignificant

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