What is the meaning of menacing?

verb

• Pose a threat to; present a danger to.
  • usage: "The pollution is endangering the crops"
  • synonyms: endanger, jeopardize, jeopardise, menace, threaten, imperil, peril
• Express a threat either by an utterance or a gesture.
  • usage: "he menaced the bank manager with a stick"
  • synonyms: menace
• Act in a threatening manner.
  • usage: "A menacing person"
  • synonyms: menace

adjective

• Threatening or foreshadowing evil or tragic developments.
  • usage: "a baleful look"; "forbidding thunderclouds"; "his tone became menacing"; "ominous rumblings of discontent"; "sinister storm clouds"; "a sinister smile"; "his threatening behavior"; "ugly black clouds"; "the situation became ugly"
  • synonyms: baleful, forbidding, minacious, minatory, ominous, sinister, threatening