Good
Good adjective - According to the rules of logic.
Usage example: you don't need a good reason to stop doing that—it's because I said so
Sound is a synonym for good in valid topic. In some cases you can use "Sound" instead the word "Good" as an adjective or a noun, when it comes to topics like reasoning, sensible, pleasant, true. popular alternative
Sound
Sound adjective - According to the rules of logic.
Usage example: sound reasoning alone should tell you that the result is invalid
Good is a synonym for sound in reasoning topic. You can use "Good" instead the word "Sound" as an adjective or a noun, if it concerns topics such as quality, strong and healthy, profitable, thrive. popular alternative
Mutual synonyms
How words are described
Both words in one sentence
- And then the BBC decided to cut the interview short just when it was getting interesting, because they didn't think the sound quality was good enough.
Source: Missing the Good Stuff -
This also means, if the car has good stereo, that the sound can be as good as that in a high-quality walk-in theater.
Source: Drive-In Theater - As shown in this The Gutters, you need a good letterer if you want your sound effect to make sense.
Source: Sound Defect
Cite this Source
Sound and Good. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/good/sound
Good & Sound. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/good/sound>.
Sound or Good. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/good/sound.
Google Ngram Viewer shows how "good" and "sound" have occurred on timeline