Economical and First class

Economical

Economical adjective - Careful in the management of money or resources.

First class is an antonym for economical.

First class

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

Economical is an antonym for first class in profuse topic.
Cite this Source
First class and Economical. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/economical/first_class
Economical & First class. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/economical/first_class>.
First class or Economical. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/economical/first_class.
Google Ngram Viewer shows how "economical" and "first class" have occurred on timeline