Irregular
Irregular adjective - Departing from some accepted standard of what is normal.
Mad and irregular are semantically related. In some cases you can use "Mad" instead an adjective "Irregular".
Nearby Words: irregularity, irregularly
Mutual synonyms
Both words in one sentence
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Obfuscating Stupidity: A strange example: Morty's irregular brainwaves literally obscure the normally-distinctive brain emissions that would otherwise allow the numerous multiversal governing bodies to track the various alternate selves of the mad scientist.
Cite this Source
Mad and Irregular. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/irregular/mad
Irregular & Mad. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/irregular/mad>.
Mad or Irregular. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/irregular/mad.
Google Ngram Viewer shows how "irregular" and "mad" have occurred on timeline