Dull
Fool
Fool adjective - Showing or marked by a lack of good sense or judgment.
Usage example: he's always got some fool plan or other
Mutual synonyms
Both words in one sentence
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When he is playing the doddering old fool, they're watery and dull, but still a deep blue.
Cite this Source
Fool and Dull. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/dull/fool
Dull & Fool. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/dull/fool>.
Fool or Dull. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/dull/fool.
Google Ngram Viewer shows how "dull" and "fool" have occurred on timeline