threateningly

Etymology
From

Adverb

 * 1) In a threatening manner.
 * He tried to glare threateningly, but how much of a threat can you be when you are naked AND tied to a bed?

Translations

 * Catalan: amenaçadorament
 * Finnish:
 * Galician: ameazadoramente
 * Italian:
 * Polish: arcygroźnie
 * Portuguese: ameaçadoramente
 * Spanish: amenazadoramente