Dunderheaded

adj

adj ·Moderate ·College level

Definitions

Adjective
  1. 1
    Stupid, foolish.

    "Much nearer sixty years of age than fifty, with a flowing outline of stomach, and horizontal creases in his waistcoat; reputed to be rich; voting at elections in the strictly respectable interest; morally satisfied that nothing but he himself has grown since he was a baby; how can dunder-headed Mr. Sapsea be otherwise than a credit to Cloisterham, and society?"

Example

More examples

"Much nearer sixty years of age than fifty, with a flowing outline of stomach, and horizontal creases in his waistcoat; reputed to be rich; voting at elections in the strictly respectable interest; morally satisfied that nothing but he himself has grown since he was a baby; how can dunder-headed Mr. Sapsea be otherwise than a credit to Cloisterham, and society?"

Etymology

From dunder + headed.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.