Rock-solid and Undependable
Opposite meaning words
Rock-solid
Undependable
Undependable adjective - Not worthy of reliance or trust.
Rock-solid is an antonym for undependable.
Cite this Source
Undependable and Rock-solid. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/rock-solid/undependable
Rock-solid & Undependable. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/rock-solid/undependable>.
Undependable or Rock-solid. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/rock-solid/undependable.