- stupidity, esp. complacent stupidity; smug foolishness
- a fatuous remark, act, etc.
- Archaic idiocy or imbecility
Origin of fatuityFrench fatuité from Classical Latin fatuitas from fatuus: see fatuous
- Smug stupidity; utter foolishness.
- Something that is utterly stupid or silly.
Origin of fatuityLatin fatuitās from fatuus silly, foolish