Not flawed
Sound and not flawed are semantically related. In some cases you can use "Sound" instead an adjective phrase "Not flawed".
Sound
Sound adjective - According to the rules of logic.
Not flawed and sound are semantically related. Sometimes you can use "Not flawed" instead an adjective "Sound".
Cite this Source
Sound and Not flawed. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/not_flawed/sound
Not flawed & Sound. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/not_flawed/sound>.
Sound or Not flawed. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/not_flawed/sound.
Google Ngram Viewer shows how "not flawed" and "sound" have occurred on timeline