frighteningly

Etymology
From.

Adverb

 * 1) In a frightening or terrifying manner.
 * 2) Very; beyond usual expectation so as to cause surprise or concern.

Translations

 * Catalan:
 * Finnish: hirvittävästi, pelottavasti, karmivasti
 * Polish:
 * Portuguese: espantosamente
 * Russian:
 * Spanish: