First class
First class noun - Mail that includes letters and postcards and packages sealed against inspection.
Worthwhile and first class are semantically related. in honorable topic. In some cases you can use "Worthwhile" instead an adjective phrase "First class".
Worthwhile
Worthwhile adjective - Sufficiently valuable to justify the investment of time or interest.
First class and worthwhile are semantically related. Sometimes you can replace phrase "First class" with "Worthwhile", this terms are similar.
Mutual synonyms
Related pairs
- good and first class
- good and worthwhile
- generous and first class
- generous and worthwhile
- satisfying and first class
- satisfying and worthwhile
- excellent and first class
- excellent and worthwhile
- admirable and first class
- admirable and worthwhile
- acceptable and first class
- acceptable and worthwhile
- desirable and first class
- desirable and worthwhile
Cite this Source
Worthwhile and First class. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/first_class/worthwhile
First class & Worthwhile. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/first_class/worthwhile>.
Worthwhile or First class. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/first_class/worthwhile.
Google Ngram Viewer shows how "first class" and "worthwhile" have occurred on timeline