What's the adjective for threats? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs threat and threaten which may be used as adjectives within certain contexts.
“Eladio, with a threatening voice, was warning Yvette to stay away from Adrianne's life.”
“The body doesn't know the difference between a really threatening situation and an imagined one, and so any surge of fear readies it to fight or run.”
“Marco's mind was troubled by the threatening news of these warlike preparations.”