11. So when he moves into action, his speed and precision are doubly dumbfounding . 12. She is still dumbfounding researchers with her ability to almost instantly learn any language. 13. The specter of a single parent having to negotiate this fraught stretch alone is dumbfounding . 14. Nonetheless, the cultural dissonance at the Concord was dumbfounding to many of the musicians. 15. This is, to virtually everyone who has known Hubbell, a dumbfounding reversal of reputation. 16. "It's dumbfounding . 17. As it departs, Koenig contacts Alpha, dumbfounding the staff by ordering Operation Shockwave suspended. 18. The waiter _ apparently panicked into a moment of dumbfounding intimacy _ began rubbing my belly with the club soda. 19. In this same dumbfounding stretch, the offense has turned the ball over 20 times while scoring only 17 touchdowns. 20. It has more illogical, and even dumbfounding , plot and action sequences than any other movie in recent memory.