threatening

Meanings

• pose a threat to; present a danger to
• to utter intentions of injury or punishment against:
• to be a menacing indication of something:
• threatening or foreshadowing evil or tragic developments
  • "his threatening behavior"
• darkened by clouds

Synonyms

baleful, endanger, forbidding, heavy, imperil, jeopardise, jeopardize, lowering, menace, menacing, minacious, minatory, ominous, peril, sinister, sullen, threaten