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
Wacky and harebrained are semantically related in ability topic. In some cases you can use "Wacky" instead an adjective "Harebrained", when it comes to topics like stupid.
Wacky
Wacky adjective - Showing or marked by a lack of good sense or judgment.
Usage example: one club member whose wacky ideas for fund-raisers usually produced groans
Harebrained and wacky are semantically related in ability topic. Sometimes you can use "Harebrained" instead an adjective "Wacky".
Mutual synonyms
Both words in one sentence
- Seems like every game at least two of them are pulling out as many harebrained superweapons and hail mary military actions as Those Wacky Nazis or worse.
- Mrs. Doubtfire is another Robin Williams film whose trailers will make you think 'zany wacky' and that the Dad he plays is dressing up so as to avoid the results of some harebrained scheme that went wrong.
Source: Never Trust A Trailer / Film
Cite this Source
Wacky and Harebrained. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/harebrained/wacky
Harebrained & Wacky. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/harebrained/wacky>.
Wacky or Harebrained. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/harebrained/wacky.
Google Ngram Viewer shows how "harebrained" and "wacky" have occurred on timeline