Adverb
in a menacing manner
Source: WordNetIt's funny about love', Sophia said. 'The more you love someone, the less he likes you back.' 'That's very true,' Grandmother observed. 'And so what do you do?' 'You go on loving,' said Sophia threateningly. 'You love harder and harder. Tove Jansson
Socially smart people have always mocked the threateningly mobile, and anti-branding is a central strand of high-end status conflict now. Peter York
the voice at the other end of the line dropped menacingly Source: Internet
Authorities say the attacker was later shot dead by police after he didn't respond to commands to disarm and acted threateningly. Source: Internet
He ran onto the breakwater, brandishing a poker threateningly. Source: Internet
Frank Castle then grabs the camera that apparently one of the soldiers was wearing and whispers threateningly into it, "I'm coming for you." Source: Internet