Nuts
Nuts adjective - Having or showing a very abnormal or sick state of mind.
Usage example: the bizarre rantings in the notes left behind by the serial killer convinced the police that the guy was nuts
Sound
Sound adjective - According to the rules of logic.
Both words in one sentence
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Kangaroo* (sound of kangaroo jumping out of a window) Peanut* That's just nuts.
Source: Video Game / You Don't Know Jack - Let's just say that he's a bit nuts and his design isn't nearly as sound to the science as he thinks it is.
Source: Negate Your Own Sacrifice - At the beginning, he seems nuts to the other crew members because of his constant pop culture references that sound like nonsense to them, as well as his extreme case of Fish out of Water.
Source: Flanderization / Live-Action TV
Cite this Source
Sound and Nuts. (2016). Retrieved 2026, August 18, from https://thesaurus.plus/related/nuts/sound
Nuts & Sound. N.p., 2016. Web. 18 Aug. 2026. <https://thesaurus.plus/related/nuts/sound>.
Sound or Nuts. 2016. Accessed August 18, 2026. https://thesaurus.plus/related/nuts/sound.
Google Ngram Viewer shows how "nuts" and "sound" have occurred on timeline