Cuckoo
Cuckoo adjective - Showing or marked by a lack of good sense or judgment.
Usage example: offered a completely cuckoo suggestion for using the defunct strip mall
Harebrained and cuckoo are semantically related. In some cases you can use "Harebrained" instead an adjective "Cuckoo".
Nearby Word: cuckooing
Harebrained
Harebrained adjective - Showing or marked by a lack of good sense or judgment.
Usage example: a harebrained idea to go for a hike in an area where grizzly bear attacks had recently been reported
Cuckoo and harebrained are semantically related. Sometimes you can use "Cuckoo" instead an adjective "Harebrained".
Mutual synonyms
Related pairs
Cite this Source
Harebrained and Cuckoo. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/cuckoo/harebrained
Cuckoo & Harebrained. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/cuckoo/harebrained>.
Harebrained or Cuckoo. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/cuckoo/harebrained.
Google Ngram Viewer shows how "cuckoo" and "harebrained" have occurred on timeline