Strong
Weak
- Idiotic
His actions were truly idiotic. - Foolhardy
It was a foolhardy move. - Ludicrous
The plan was met with laughter as it seemed ludicrous. - Dim-witted
She felt dim-witted for forgetting the appointment. - Witless
The decision seemed witless in hindsight. - Absurd
The idea seemed absurd to everyone. - Foolish
It was very foolish of him. - Simpleminded
Their simpleminded decision led to a mess. - Unintelligent
Their unintelligent choice surprised everyone. - Dumb
The remark was so dumb.