3 adjectives to describe dullard

The thought of him was like a touch of fire to Paul Colbert, so burning was the contempt which he felt for this conceited dullard whose blundering had nearly been his own death.

By the adding of ard: as, drunk, drunkard; dull, dullard.

The man who trusts to the inspiration of genius, or his capacity to get advantage by ingenious management in court, will find himself passed by a patient dullard.

3 adjectives to describe  dullard