Boneheaded and Unreasonable

Boneheaded

Boneheaded adjective - Not having or showing an ability to absorb ideas readily.
Usage example: a product with a warning label that even the most boneheaded consumer should be able to understand

Unreasonable and boneheaded are semantically related. In some cases you can use "Unreasonable" instead an adjective "Boneheaded".

Unreasonable

Unreasonable adjective - Having no basis in reason or fact.

Boneheaded and unreasonable are semantically related. Sometimes you can use "Boneheaded" instead an adjective "Unreasonable".

Cite this Source
Unreasonable and Boneheaded. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/boneheaded/unreasonable
Boneheaded & Unreasonable. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/boneheaded/unreasonable>.
Unreasonable or Boneheaded. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/boneheaded/unreasonable.
Google Ngram Viewer shows how "boneheaded" and "unreasonable" have occurred on timeline