Sound
Sound adjective - Marked by the ability to withstand stress without structural damage or distortion.
Usage example: the shed looks flimsy, but it's actually surprisingly sound
Stable is a synonym for sound in safe topic. In some cases you can use "Stable" instead the word "Sound" as an adjective or a noun, when it comes to topics like character trait, sturdy, complete, solid. popular alternative
Stable
Stable adjective - Marked by the ability to withstand stress without structural damage or distortion.
Usage example: the observation tower is stable enough to withstand the strongest winds without collapsing
Sound is a synonym for stable in characteristic topic. You can use "Sound" instead the word "Stable" as an adjective or a noun, if it concerns topics such as property, character trait, secure, solid. popular alternative
Mutual synonyms
Cite this Source
Stable and Sound. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/sound/stable
Sound & Stable. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/sound/stable>.
Stable or Sound. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/sound/stable.
Google Ngram Viewer shows how "sound" and "stable" have occurred on timeline