Stiff
Stiff adjective - Going beyond a normal or acceptable limit in degree or amount.
Usage example: don't you think that's a pretty stiff fine for such a minor infraction?
Steep is a synonym for stiff in big topic. In some cases you can use "Steep" instead the word "Stiff" as an adjective or a noun, when it comes to topics like extreme.
Steep
Steep adjective - Going beyond a normal or acceptable limit in degree or amount.
Usage example: we would like to hire him, but his salary demands are just too steep
Stiff is a synonym for steep in high topic. You can use "Stiff" instead the word "Steep" as an adjective or a noun, if it concerns topics such as expensive, big, very expensive.
Cite this Source
Steep and Stiff. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/stiff/steep
Stiff & Steep. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/stiff/steep>.
Steep or Stiff. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/stiff/steep.
Google Ngram Viewer shows how "stiff" and "steep" have occurred on timeline