Undumb

Then I did a miracle on myself and came undumb.

Source: wiktionary

This is a perfect phrase, a phrase that unveils the irony of Cézanne's unlong and undumb paintings — each, we might assume, with its own unfixed idea of velocity.

Source: wiktionary

You, with all your undumb letters, would never write so elementary a phrase; perhaps you wouldn't even feel it.

Source: wiktionary

“If there are no undumb questions, meeting adjourned.”

Source: wiktionary