Tuff and Unstable
Opposite meaning words
Tuff
Tuff noun - Hard volcanic rock composed of compacted volcanic ash.
Unstable
Cite this Source
Unstable and Tuff. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/tuff/unstable
Tuff & Unstable. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/tuff/unstable>.
Unstable or Tuff. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/tuff/unstable.
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