Expressing, indicating, or warning of an impending danger or misfortune
It's a relationship threatening to sink our ship.
And Uncle Nicholas stood before them in a stern and threatening attitude.
It was this exemption, threatening the very foundations of the Mussulman government, that finally led to a rupture with the nawab.
Her eyes burned with threatening tears.
The ATV climbed over large rocks, threatening to unseat them both at any moment.