fatuous, beமடத்தனமாக இருmaṭattaṉamāka iru(maḍattanamaa iru)(7 intr)be silly; be inane; be almost devoid of meaning; be vapid, empty (as words); be vacantly senseless; be purposeless, idiotic, stupid
Usage:
அவன் யோசனை மடத்தனமாக இருக்கிறதுavaṉ yōcaṉai maṭattaṉamāka irukkiṟatu
avan yoosane maḍattanamaa irukku
His idea is simply fatuous.