Mad and Surd

Mad

Mad adjective - Showing or marked by a lack of good sense or judgment.
Usage example: her mad decision to quit a good job and run off to the big city with a man she barely knew

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

Nearby Words: madness, madly

Surd

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

Mad and surd are semantically related. Sometimes you can use "Mad" instead an adjective "Surd".

Both words in one sentence

  • Evil Cripple There's also Doctor Jeremiah Surd, the quadriplegic super-hacker and Mad Scientist from Jonny Quest: The Real Adventures who repeatedly uses Questworld VR technology to compensate for his disability (in Questworld, he's a god) and twice attempted to cure himself with it.
    Source: Evil Cripple
Cite this Source
Surd and Mad. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/mad/surd
Mad & Surd. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/mad/surd>.
Surd or Mad. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/mad/surd.
Google Ngram Viewer shows how "mad" and "surd" have occurred on timeline