This man is fatuous.
The definition of fatuous is foolish or silly.
An example of fatuous is the nature of a clown.
complacently stupid or inane; silly; foolish
Origin of fatuousClassical Latin fatuus, foolish from Indo-European base an unverified form bh?t-, to strike from source batter
Foolish or silly, especially in a smug or self-satisfied way: “an era of delicious, fatuous optimism shaped by the belief that enough good will on the part of people like ourselves could repair anything” ( Shirley Abbott ) See Synonyms at foolish.
Origin of fatuousFrom Latin fatuus
(comparative more fatuous, superlative most fatuous)
- Refers especially to foolishness and disregard of reality.
From Latin fatuus (“foolish, silly, simple”).