Knucklehead
Knucklehead noun - A stupid person.
Usage example: I'd like to get my hands on the knucklehead who designed that paper-towel dispenser
Ninny and knucklehead are semantically related. in stupid person topic. In some cases you can use "Ninny" instead a noun "Knucklehead", when it comes to topics like dummy.
Ninny
Ninny noun - A person who lacks good sense or judgment.
Usage example: only a ninny would try to cross a swollen, raging river
Knucklehead and ninny are semantically related. Sometimes you can use "Knucklehead" instead a noun "Ninny".
Mutual synonyms
Cite this Source
Ninny and Knucklehead. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/knucklehead/ninny
Knucklehead & Ninny. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/knucklehead/ninny>.
Ninny or Knucklehead. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/knucklehead/ninny.
Google Ngram Viewer shows how "knucklehead" and "ninny" have occurred on timeline