menacing Synonyms

forbidding threatening minatory minacious intimidatory periculous perilous petrifying portentous railroading risking risky parlous overhanging oppressive invasive jeopardize jeopardous looming lowering menacingly Nearing nocuous ominous scowling serious sinister bloodcurdling life-threatening threateningly ill-fated louring in the offing in the cards oncoming unfavourable unpromising upcoming vengeful stormful terrifying threatened threaten threatful thunderous thundery ugly unchancy unhospitable terrorizing