Costly
Mutual synonyms
Both words in one sentence
- Since surrogacy is a costly procedure, most couples are assumed to be rich hedonists who want to own a human life.
Source: Acceptable Lifestyle Targets - While humanity has settled dozens of worlds, colonization is a costly venture that only governments on rich planets can afford, usually when overpopulation becomes an issue.
Source: Casual Interstellar Travel
Cite this Source
Rich and Costly. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/costly/rich
Costly & Rich. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/costly/rich>.
Rich or Costly. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/costly/rich.
Google Ngram Viewer shows how "costly" and "rich" have occurred on timeline