threatening Synonyms

menacing ominous minacious scary serious lowering sinister sullen dark perilous forbidding foreboding frightening minatory heavy hostile dangerous intimidating unsafe baleful alarming bullying jeopardous wakeless intimidatory oppressive overcast unsettling overhanging parlous unpromising periculous intimidation Nearing monitory monitorial looming jeopardize thundery menace confrontational menacingly frowningly terrorizing invasive offensive peril high-risk worrisome threat