adverb in a foolish or silly manner
The politician's fatuous promises failed to resonate with voters.
The character spoke fatuously, showing their lack of understanding of the situation.
The influencer's fatuous posts were quickly dismissed by their followers.
The villain's fatuous plan was easily thwarted by the hero.
The writer's use of fatuously in the article undermined the credibility of their argument.
The psychologist criticized the study for relying on fatuously simplistic explanations for complex human behavior.
The lawyer's fatuously optimistic assessment of the case led to a costly mistake for their client.
The marketing specialist's campaign was criticized for its fatuously exaggerated claims about the product.
The politician's fatuously simplistic solution to the complex issue failed to address the underlying problems.