Intelligent
Intelligent adjective - Having or showing quickness of mind.
Usage example: his intelligent response to the emergency averted a disaster
Sound is a synonym for intelligent in rational topic. In some cases you can use "Sound" instead the word "Intelligent" as an adjective or a noun.
Sound
Sound adjective - Exercising or showing good judgment.
Usage example: sound advice
Intelligent is a synonym for sound in rational topic. You can use "Intelligent" instead an adjective "Sound", if it concerns topics such as good.
Mutual synonyms
Both words in one sentence
- Interestingly, Heavy is made to sound a lot more intelligent in the Russian dubs, and he is said to have a PhD in Russian literature, which implies he may not be stupid at all, he just doesn't speak very good English, which is also implied by his bio.
Source: Acceptable Ethnic Targets -
Series of the 1950s Sesquipedalian Loquaciousness: Walter, which makes him sound much more intelligent than he really is.
Source: Radio / Our Miss Brooks - The most intelligent fanfic I've ever come across, and although that might not sound like it says much, it does indeed.
Source: Fanfic Recs / Artemis Fowl
Cite this Source
Sound and Intelligent. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/intelligent/sound
Intelligent & Sound. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/intelligent/sound>.
Sound or Intelligent. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/intelligent/sound.
Google Ngram Viewer shows how "intelligent" and "sound" have occurred on timeline