v. 25B6; verb
how dare you threaten me? : MENACE, intimidate, browbeat, bully, terrorize; make/issue threats to.
these events could threaten the stability of Europe : ENDANGER, be a danger/threat to, jeopardize, imperil, put at risk, put in jeopardy.
the grey skies threatened snow : HERALD, bode, warn of, presage, augur, portend, foreshadow, be a harbinger of, indicate, point to, be a sign of, signal, spell; poetic/literary foretoken.
as rain threatened, the party moved indoors : SEEM LIKELY, seem imminent, be on the horizon, be brewing, be gathering, be looming, be on the way, be impending; hang over someone.