Another word for frighteningly

He was frighteningly nervous, but in Dean's mind his sincerity buried the flowery words of the Philadelphia insurance executive.

And Bellocchio cleverly weaves images and sounds, as well as news footage and old movie clips to make it all seem frighteningly authentic.

Frighteningly enough, this is no longer hypothesis and wild conjecture.

ether frolics is a devious show it's frighteningly simple and far from safe.

The polystyrene, fiberglass and plaster become frighteningly lifelike with the assistance well-researched props and costumes.