Crazy as a loon
Mad and crazy as a loon are semantically related. in insane topic. In some cases you can use "Mad" instead an adjective phrase "Crazy as a loon".
Mad
Mad adjective - Feeling or showing anger.
Crazy as a loon and mad are semantically related. Sometimes you can use "Crazy as a loon" instead an adjective "Mad".
Mutual synonyms
Related pairs
Both terms in one sentence
- Nikola Tesla, an actual Mad Scientist, was this type (well, maybe not so much "reluctant" as "well-intentioned overall and a genius, but still crazy as a loon").
Source: Reluctant Mad Scientist
Cite this Source
Mad and Crazy as a loon. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/crazy_as_a_loon/mad
Crazy as a loon & Mad. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/crazy_as_a_loon/mad>.
Mad or Crazy as a loon. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/crazy_as_a_loon/mad.
