Stiff
Tuff
Tuff noun - Hard volcanic rock composed of compacted volcanic ash.
Mutual synonyms
Cite this Source
Tuff and Stiff. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/stiff/tuff
Stiff & Tuff. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/stiff/tuff>.
Tuff or Stiff. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/stiff/tuff.
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