Expensive
Expensive adjective - Commanding a large price.
Usage example: expensive clothing that only the truly wealthy can afford
Stiff is a synonym for expensive in costly topic. In some cases you can use "Stiff" instead an adjective "Expensive", when it comes to topics like high-priced.
Stiff
Stiff adjective - Incapable of or highly resistant to bending.
Mutual synonyms
Both words in one sentence
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Retail Therapy: Victor's method of coping with grief is to keep a stiff upper lip and buy something expensive.
Source: Series / Student Bodies - Meetings between potential mates are often stiff, formal affairs conducted in expensive tea shops or hotels with the parents of the couple present.
Source: Analysis / Arranged Marriage - The story does suggest that time travel in this future period is very expensive with stiff fines for ignoring the plainly stated safety rules, which the protagonist foolishly ignores, causing the accident; presumably, the expense is supposed to ensure only competent citizens use it.
Source: For Want Of A Nail / Literature
Cite this Source
Stiff and Expensive. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/expensive/stiff
Expensive & Stiff. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/expensive/stiff>.
Stiff or Expensive. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/expensive/stiff.
Google Ngram Viewer shows how "expensive" and "stiff" have occurred on timeline