Loony and Surd

Loony

Loony adjective - Showing or marked by a lack of good sense or judgment.
Usage example: that's got to be the looniest idea I've ever heard

Surd and loony are semantically related. In some cases you can use "Surd" instead an adjective "Loony".

Nearby Word: loon

Surd

Surd adjective - Produced without vibration of the vocal cords.
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Synonyms for Surd

Loony and surd are semantically related. Sometimes you can use "Loony" instead an adjective "Surd".
Cite this Source
Surd and Loony. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/loony/surd
Loony & Surd. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/loony/surd>.
Surd or Loony. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/loony/surd.
Google Ngram Viewer shows how "loony" and "surd" have occurred on timeline