Robustuous and Unstable
Opposite meaning words
Robustuous
Unstable
Unstable adjective - Not being in or able to maintain a state of balance.
Robustuous is an antonym for unstable.
Nearby Word: unstably
Cite this Source
Unstable and Robustuous. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/robustuous/unstable
Robustuous & Unstable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/robustuous/unstable>.
Unstable or Robustuous. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/robustuous/unstable.
Google Ngram Viewer shows how "robustuous" and "unstable" have occurred on timeline