Cuckoo
Cuckoo adjective - Having or showing a very abnormal or sick state of mind.
Usage example: a cuckoo woman who wandered around town carefully gathering up useless trash
Witless and cuckoo are semantically related. In some cases you can use "Witless" instead an adjective "Cuckoo".
Nearby Word: cuckooing
Witless
Witless adjective - Not having or showing an ability to absorb ideas readily.
Usage example: a dog so witless that it is barely trainable
Mutual synonyms
Cite this Source
Witless and Cuckoo. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/cuckoo/witless
Cuckoo & Witless. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/cuckoo/witless>.
Witless or Cuckoo. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/cuckoo/witless.
Google Ngram Viewer shows how "cuckoo" and "witless" have occurred on timeline