D defs.my
Entry 1 sense Webster, 1913

Fatuity

· Fa·tu·i·ty · IPA /fəˈtuːɪti/
01 n. Weakness or imbecility of mind; stupidity.
  1. 1.
    Weakness or imbecility of mind; stupidity.
    “Those many forms of popular fatuity.” — I Taylor.